[added] performance timers app
[improved] gears app - now detects transmission type
[improved] perf timer app store stuff
[improved] engine debug - now has fuel consumption and range
[added] trip computer app
[improved] trip computer app
[improved] gears app - now using engineInfo stream for box type
[fixed] use of global variables
Merge pull request #12 from themetalmuncher/master

added Performance timer and trip computer apps, gears app updates