Camera update

Camera now records pitch and yaw (compass) of the photo taking.  The
data is stored in the observation class but its not stored yet in the
database.
Merge branch 'master' of https://github.com/cobweb-eu/Cobweb-flooding-App

Conflicts:

	COBWEBFLOODREPORTAPP/src/com/example/cobwebfloodreportapplication/Observation.java

	COBWEBFLOODREPORTAPP/src/com/example/cobwebfloodreportapplication/ObservationActivity.java