Switched to rf12_sendNow. Removed rf12ResetMetro

Using rf12_sendNow in stead of rf12_easySend & rf12_easyPoll. Removed
rf12ResetMetro code
Switched to rf12_sendNow. Removed rf12ResetMetro

Using rf12_sendNow in stead of rf12_easySend & rf12_easyPoll. Removed
rf12ResetMetro code
Switched to rf12_sendNow. Removed rf12ResetMetro. Solved backlight bug.

Using rf12_sendNow in stead of rf12_easySend & rf12_easyPoll. Removed
rf12ResetMetro code.
Solved display backlight bug (stayed at level 75 all the time)
Added logging to Xively.com
Added dependency to xively_settings.h & switched on optimisation