Add javascript client, accommodate package name change

• Accommodate name change from lightstep_native --> lightstep_streaming
• Add a javascript client
• Update documentation
• Handle some edge case psutil exceptions

Export raw data from Satellite disconnect graphs

• Export raw data from disconnect_graphs.py and make these tests run longer
• Add a bunch of documentation
• Improve the analysis jupyter notebooks a bunch

Move CPU and Memory Monitoring to the Controller

• Client and mock satellites log to stdout or stderr depending on error severity
• Clients no longer have to send results back to controller; CPU and memory monitoring is done in the controller.

Add Verbose Logging

Merge pull request #65 from lightstep/izinda/verbose_logging

Use verbose logging

Improve CPU Graphs

• improve formatting on CPU graphs
• extend CPU graphs range (test higher spans per second)
• pass correct reporting_period to lightstep_native tracer
• fix regression tests

First Release

Merge pull request #63 from lightstep/izinda/remove_sidecar

Remove old sidecar code