Moving some strings in strings.xml, for a cleaner layout.
Stub for the German language. One more language to issue #27
Just an example string
Update strings.xml
Just cleaning some unecessary lines
New class to aid in the calibration of the accelerometers.
Integrating the calibration function into the app.

This closes #94 .
Improving the UI for the calibration function.
Merge pull request #113 from arthurbenemann/issue94_level_calibration

This adds the feature of calibrating the accelerometers using DP. Closes Issue94 "level calibration"
Merge pull request #109 from Mevel/patch-2

German Translation
Merge branch 'German_translation'
Preparing for release v0.8.3
Merge branch 'master' into issue46_PID

Conflicts:
	DroidPlanner/res/values/strings.xml