Adding a set of new plugins! 🎁🐢⚡️

* exec collector
* SNMP collector
* Cassandra collector
* processor for stats
* cgroups collector
* etcd publisher

docs/PLUGIN_CATALOG.md

@@ -4,16 +4,19 @@ This is the master catalog of plugins for snap. The plugins in this list may be
 | Name  | Type  | Description | Link | Download |
 | :---- | :---- | :---------- | :--- | :------- |
 | Apache | Collector | Collects metrics from the Apache Webserver for mod_status| [snap-plugin-collector-apache](https://github.com/intelsdi-x/snap-plugin-collector-apache) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-apache)
+| Cassandra | Collector | Collect statistics from Cassandra nodes | [snap-plugin-collector-cassandra](https://github.com/intelsdi-x/snap-plugin-collector-cassandra) |
 | CEPH | Collector | Collects from CEPH cluster | [snap-plugin-collector-ceph](https://github.com/intelsdi-x/snap-plugin-collector-ceph) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-ceph)
 | Cinder | Collector | Collects from OpenStack Cinder | [snap-plugin-collector-cinder](https://github.com/intelsdi-x/snap-plugin-collector-cinder) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-cinder)
+| cgroups | Collector | Collecting cgroups metrics using libcontainer | [snap-plugin-collector-cgroups](https://github.com/intelsdi-x/snap-plugin-collector-cgroups) |
 | CPU | Collector | Collects CPU metrics from Linux procfs | [snap-plugin-collector-cpu](https://github.com/intelsdi-x/snap-plugin-collector-cpu) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-cpu)
 | DBI | Collector | Collects metrics as a result of executing SQL statements on a DB (MySQL and PostgreSQL supported) | [snap-plugin-collector-dbi](https://github.com/intelsdi-x/snap-plugin-collector-dbi) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-dbi)
 | Df | Collector | Collects disk space metrics from `df` Linux tool | [snap-plugin-collector-df](https://github.com/intelsdi-x/snap-plugin-collector-df) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-df)
 | Disk | Collector | Collects disk related metrics from Linux procfs | [snap-plugin-collector-disk](https://github.com/intelsdi-x/snap-plugin-collector-disk) |
 | Docker | Collector | Collects from Docker engine | [snap-plugin-collector-docker](https://github.com/intelsdi-x/snap-plugin-collector-docker) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-docker)
 | Elasticsearch | Collector | Collects metrics from Elasticsearch cluster | [snap-plugin-collector-elasticsearch](https://github.com/intelsdi-x/snap-plugin-collector-elasticsearch) |
-| Etcd | Collector | Collects metrics from Etcd's `/metrics` endpoint. | [snap-plugin-collector-etcd](https://github.com/intelsdi-x/snap-plugin-collector-etcd) |
+| Etcd | Collector | Collects metrics from the Etcd `/metrics` endpoint. | [snap-plugin-collector-etcd](https://github.com/intelsdi-x/snap-plugin-collector-etcd) |
 | Ethtool | Collector | Collect from ethtool stats & registry dump |[snap-plugin-collector-ethtool](https://github.com/intelsdi-x/snap-plugin-collector-ethtool) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-ethtool)
+| Exec | Collector | Collect output from any executable |[snap-plugin-collector-exec](https://github.com/intelsdi-x/snap-plugin-collector-exec) |
 | Facter | Collector | Collects from Facter | [snap-plugin-collector-facter](https://github.com/intelsdi-x/snap-plugin-collector-facter) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-facter) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-collector-facter)
 | File | Publisher | Publishes snap metrics to a file as JSON | [snap-plugin-publisher-file](https://github.com/intelsdi-x/snap-plugin-publisher-file) |
 | Glance | Collector | Collects metrics from OpenStack Glance | [snap-plugin-collector-glance](https://github.com/intelsdi-x/snap-plugin-collector-glance) |
@@ -39,9 +42,11 @@ This is the master catalog of plugins for snap. The plugins in this list may be
 | PSUtil | Collector | Collects from psutil | [snap-plugin-collector-psutil](https://github.com/intelsdi-x/snap-plugin-collector-psutil) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-psutil) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-collector-psutil)
 | RabbitMQ | Collector | Collects from RabbitMQ | [snap-plugin-collector-rabbitmq](https://github.com/intelsdi-x/snap-plugin-collector-rabbitmq) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-rabbitmq) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-collector-rabbitmq)
 | SMART | Collector | Collects SMART metrics from Intel SSDs | [snap-plugin-collector-smart](https://github.com/intelsdi-x/snap-plugin-collector-smart) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-smart)
+| SNMP | Collector | This plugin collects metrics using SNMP (Simple Network Management Protocol) | [snap-plugin-collector-snmp](https://github.com/intelsdi-x/snap-plugin-collector-snmp) 
 | Swap | Collector | Collects swap related metrics from Linux procfs | [snap-plugin-collector-swap](https://github.com/intelsdi-x/snap-plugin-collector-swap) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-swap)
 | Users | Collector | Collects users related metrics from Linux utmp | [snap-plugin-collector-users](https://github.com/intelsdi-x/snap-plugin-collector-users) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-users)
 | Movingaverage | Processor | Processes data and outputs moving average | [snap-plugin-processor-movingaverage](https://github.com/intelsdi-x/snap-plugin-processor-movingaverage) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-processor-movingaverage) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-processor-movingaverage)
+| Etcd | Publisher | Publishes metrics to Etcd | [snap-plugin-publisher-etcd](https://github.com/intelsdi-x/snap-plugin-publisher-etcd) |
 | Graphite | Publisher | Publishes snap metrics to graphite | [snap-plugin-publisher-graphite](https://github.com/intelsdi-x/snap-plugin-publisher-graphite) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-publisher-graphite) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-publisher-graphite)
 | HANA | Publisher | Writes to SAP HANA Database | [snap-plugin-publisher-hana](https://github.com/intelsdi-x/snap-plugin-publisher-hana) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-publisher-hana) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-publisher-hana)
 | InfluxDB | Publisher | Writes to Influx Database | [snap-plugin-publisher-influxdb](https://github.com/intelsdi-x/snap-plugin-publisher-influxdb) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-publisher-influxdb)
@@ -53,6 +58,7 @@ This is the master catalog of plugins for snap. The plugins in this list may be
 | PostgreSQL | Publisher | Writes to PostgreSQL Database | [snap-plugin-publisher-postgresql](https://github.com/intelsdi-x/snap-plugin-publisher-postgresql) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-publisher-postgresql) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-publisher-postgresql)
 | RabbitMQ | Publisher | Writes to RabbitMQ | [snap-plugin-publisher-rabbitmq](https://github.com/intelsdi-x/snap-plugin-publisher-rabbitmq) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-collector-rabbitmq) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-publisher-rabbitmq)
 | Riemann | Publisher | Writes to Riemann monitoring system | [snap-plugin-publisher-riemann](https://github.com/intelsdi-x/snap-plugin-publisher-riemann) | [Linux](https://s3-us-west-1.amazonaws.com/snap-plugins-linux-latest/snap-plugin-publisher-riemann) | [Darwin](https://s3-us-west-1.amazonaws.com/snap-plugins-darwin-latest/snap-plugin-publisher-riemann)
+| Statistics | Processor | Processes data and return statistics over a sliding window | [snap-plugin-processor-statistics](https://github.com/intelsdi-x/snap-plugin-processor-statistics) |
 | Tag | Processor | Processes data and add tags | [snap-plugin-processor-tag](https://github.com/intelsdi-x/snap-plugin-processor-tag) |
 
 ## Community Plugins