APR-11 Initial implementation of Magnetometer API.
APR-11 Minor documentation fix.
APR-10 Initial implementation of Gyroscope API interfaces.
APR-10 correction of method name.
APR-6 Initial implementation of the Accelerometer API.
APR-9 Initial implementation of Geolocation API interface.
APR-12 Initial implementation of Proximity API interface.
APR-7 Initial implementation of AmbientLight API interface.
APR-8 Initial implementation of Barometer API interface.
APR-15 Initial implementation of the File API interface.
Preparation for 0.2.
Merge branch 'development'.