Merge pull request #2 from Jeff-Ciesielski/master

Add try/catch and warning to save/load config
added integer value field for integer input validation; added negative sign filtering to valueFields
Added Windows install, run and developer instructions
Update LICENSE

Changed to GPL V3 license
Merge branch 'master' of https://github.com/autosportlabs/RaceCapture_App
Updating Windows instructions to use virtualenv

Much better than my previous cowboy efforts.
refactored settings view widget to accept a variety of control types; beginning of bluetooth config view
Merge branch 'master' of github.com:autosportlabs/RaceCapture_App
Fixed markdown in readme

Because, y'know, so important.
bt config view WIP
Merge branch 'master' of github.com:autosportlabs/RaceCapture_App
added telemetry config view, adjusted menus, refactored settingsView widget
added cell provider settings
created separate telemetry configuration view
refined view for telemetry and wireless config view
hooking up connectivityConfig serial i/o and serialzation
updates to wireless configuration page; select from a list of known providers, or specify custom APN settings
wired up bluetoothEnabled, cellEnabled to updated API
restored exception handling
refined IMU view