detab ev3dev.lua
lua property name fixes
lua: missing motor attributes
lua: reorder classes (no functional changes)
lua: cosmetic changes on sensor attributes
vala: advance to spec v0.9.1 (no LED class yet) and add tests
Merge branch 'vala-WIP' into develop
cpp and lua: current is in amps now
lua: reorder PowerSupply members (no functional changes)
lua: reorder LED members (no functional changes)
Merge pull request #21 from bmegli/develop

R: Detailed getting started, constructors "fail" silently
js: add LED class
cpp: fix issue #20: No Motor found using c++
cpp: added dc_motor and servo_motor classes (untested)
lua: implemented generic Device:init method (prepare for adding new classes)
lua: added 'Sensor:typeName'
cpp: added I2C sensor class
cpp: cleanup
lua test program fix
lua: added DCMotor and ServoMotor