added indicator to show wether we are receiving GPS positions
added colors to annotations and fixed bug in data being sent to plots
added voltage plots
data packet now correctly provides times with nanosecond accuracy
updates to file saving code
added new isSaving code now for RAS and PYAS
Merge branch 'master' into plotting
fix to file saving and plotting. took away ability to zoom in x-axis. python scripts will allow further investigation of features.