Parsing more NMEA

Parser augmented with more sentences that can be parsed

Service checking for first receive sentence instead of rmc all the time,
gives a little bit more flexibility
Merge branch 'master' of https://github.com/ddieffen/OpenRegatta

Conflicts:
	Android/OpenRegatta/src/com/openregatta/MainActivity.java
	Android/OpenRegatta/src/com/openregatta/database/DataHelper.java
	Android/OpenRegatta/src/com/openregatta/fragments/TargetFragment.java