Update install/build instructions in readme

README.md

@@ -6,23 +6,37 @@ carmen-cache
 ------------
 Protobuf-based cache. Written originally for use in [carmen](https://github.com/mapbox/carmen) geocoder.
 
-### Installing from source
+### Install
 
-First install mason and then (from inside the carmen-cache) directory, install rocksdb:
+To install `carmen-cache` run:
 
 ```
-mason install bzip2 1.0.6
-mason link bzip2 1.0.6
-mason install rocksdb 4.13
-mason link rocksdb 4.13
+npm install
 ```
 
-Then you can build carmen-cache from source like:
+By default, binaries are provided for `64 bit OS X >= 10.8` and `64 bit Linux (>= Ubuntu Trusty)`. On those platforms no external dependencies are needed.
+
+Other platforms will fall back to a source compile: see [Source Build](#Source Build) for details
+
+### Source Build
+
+To build from source run:
 
 ```
-npm install --build-from-source
+make
 ```
 
+This will automatically:
+
+  - Install [mason](https://github.com/mapbox/mason/) locally
+  - Install several C/C++ dependencies locally (in `mason_packages`) via mason: bzip, rocksdb, protozero, and the clang++ compiler
+
+To do a full rebuild run: `make clean`
+
+### Publishing
+
+See [CONTRIBUTING](CONTRIBUTING.md) for how to release a new carmen-cache version.
+
 ### Coalesce docs (incomplete)
 
-![coalescemulti](https://cloud.githubusercontent.com/assets/83384/21327650/3588be54-c5fe-11e6-894e-cdaa68ecfa5f.jpg)
+![coalescemulti](https://cloud.githubusercontent.com/assets/83384/21327650/3588be54-c5fe-11e6-894e-cdaa68ecfa5f.jpg)