bump version for 1.7.2

bump versioncode and tag for 1.7.1 release

Switch to latest library, bump version for 1.7.1 beta 1

bump version and update to latest appcompat

Hide lock screen preferences on 5.0+, etc

Bump version

Minor build script fixes and cleanup. Also remove debug string from w…

…eather extension

new settings icon, push version

Update strings and bump version for 1.5 release

Bump version