Modified location retrieval dialog layouts
Fixes #18
Merge branch 'feature/sync' into develop

Conflicts:
	omniNotes/build.gradle
Partial Khmer language support
Updated languages and some minor modifications
Some naming refactoring about reminders
A couple of updates to changelog
Fixed Paypal link
Updated version for stable release
Merge branch 'feature/sync' into develop
Languages updated
Updated application version
Dependency version updated
Geolocation working with GPS
Closes #66
Updated changelog
Multiple attachments at once
Fixes #68
Implements #69
Version updated