implement a simple slideshow including a setting for the slideshow interval
fix test failing to not-guaranteed test-order
use lastest maven-android-plugin (to get over class-not-found exception during build)
trying to fix travis build by adding install command to install obsolete android plattforms as well.
experiment switching to a android travis build
build-trigger-commit
fix test failing due to non-deterministic test execution order
fix updatePhoto test ( failing due to non-deterministic test execution order )
fix getPhotoInputStream test ( failing due to non-deterministic test execution order )
Merge branch 'hackergarten-master'
restored original formatting in strings.xml, added french translation
for the new slideshow feature, and added project.properties to git