Merge pull request #2 from adrik/master

Tutorial done 2
Merge pull request #3 from adrik/master

Optimized running background tasks
Fixed timeouts and intervals
Translation
Translation
Fixed bug with crash when location is not loaded
Ads and fixed russian name
Merge remote-tracking branch 'origin/master'

Conflicts:
	lcsh/locationshare/res/layout/activity_help.xml
	lcsh/locationshare/res/values-ru/strings.xml