updated the Configuration activity to use view pager instead of tab host. this allows the user to swipe through the Configuration's tabs.
Merge pull request #449 from jason4short/master

Fixed mission planning crash, change altitude spinner to 200m
Merge branch 'master' into pager

Conflicts:
	DroidPlanner/src/com/droidplanner/activitys/ConfigurationActivity.java
Merge pull request #450 from arthurbenemann/pager

Added view pager to Configuration activity