Change build system to gradle
Update OpenVPN to 0.6.26 (107)
Don't update Androzic to 2.0.3 (105): missing root project
Update WebCam Viewer to 2.0 beta2 (28)
Don't update ownCloud News Reader to 0.8.3 (75): proguard issues
Merge branch 'master' into 'master'

Master

I don't know if this is correct, but I guess it should work. I didn't use "subdir" because the build.gradle in the rootdir contains an additional repository.

See merge request !427
DAVdroid: Fix build, but disable (jar)
Merge branch 'openvpn' into 'master'

Update OpenVPN

See merge request !428