Added SATXO sensors to apps/colect-view.
Enabled 'clock_delay' function.
Minor changes in example apps to test SATXO platform.
Add SATXO platform.
Fixed crystal freq.
Added satxo-sensors platform.
Added sensors power control.
Fixed makefile.
Added led testing.
Added power control test.
Modified power control file names.
Added adc functions. Added power sensor. Added power sensor test.
Minor fixes.
Added TWI interface module. Added TWI test.
Added temperature sensor and test.
Added humidity sensor (HIH5031).
Merge branch 'satxo-sensors' of github.com:ljalves/contiki into satxo-sensors