strings fixes.
Merge branch 'master' into master.go
strings fixes.
Remove some apostrophe usage that is unnecessary...
http://en.wikipedia.org/wiki/Apostrophe
A few fixes
Added new strings
Merge branch 'master' into master.go

Conflicts:
	app/src/main/res/values-sv/strings.xml
(Manual merge)
Enabled was accidentally hardcoded in ActivityEvent
Back button to exit was not giving the change dialog in all situations, for instance when editing conditions.
This commit gives the status in more situations. It also gives the popup when just adding, then cancel. The handling could be changed to always ask instead, remove the isChanged checks. (That is what I was believed I was asking for in the issue...)
Crash if GoogleServices are out of version
Further Swedish updates