initial showcase implementation
fix wrong library path
Avoid action bar term
avoid overlaying the system buttons

This is actually quite a hack. If someone knows a better solution, we
can and should revert this.
cleanup search activity showcase
fix #4192: always show logging item in action bar
crowdin: New translations
Merge pull request #4195 from rsudev/crowdin_translations

crowdin: New translations
fix #4196: GC membership information may be wrong in logs

The parsing of membership information is not done on login but on
regular pages. After switching to English, which implies reading regular
pages, the information is up-to-date.
fix #4019: enable live not working from wp map
fix #3966: double friend log in standard logbook
Remove outdated known limitations
gc.com change: "Traditional Cache" becomes "Traditional Geocache"

Keep the previous version for now with a FIXME.
Fix #4200: Move KitKat specific styles to values-v19/themes.xml
Merge pull request #4202 from schwabe/fix_4200

Fix #4200: Move KitKat specific styles to values-v19/themes.xml
typo
crowdin: New translations
Merge pull request #4210 from rsudev/crowdin_translations

crowdin: New translations
Merge remote-tracking branch 'bananeweizen/showcase' into release
Add files necessary to build on CI