Remove TestResult.xml from git tracking - file generated by nunit
Add a ToString method to Telemetry - to aid in diagnosis of issues.  ToString result a list of all the key value pairs tracked by the instance
Converted tabs to spaces
Added some tests for the ForwardOnly data sample operator
Added new DataSample operator VerifyReplayFrames.  To filter out frames that have no number due to possible glitches in data stream from the game