add gradle files
ignore local gradle files
add gradle wrapper, issue #126
ignore build dir
include crouton dependency
don't abort check task on lint errors
compile with JDK 1.7
convert switch with android resources to if-else, see http://tools.android.com/tips/non-constant-fields
enable unit tests
run gradle tests on Travis
release version 0.2

Conflicts:
	pom.xml
start working on V0.3
add feature to readme [skip ci]
make sensorBearingOffset available, issue #152
display sensorBearingOffset on Details Activity, issue #152
wrap long lines
return to initial path
Translated using Weblate (Dutch)

Currently translated at 100.0% (71 of 71 strings)
rephrase description [skip ci]
Translated using Weblate (German)

Currently translated at 95.7% (68 of 71 strings)