Keystore has changed, so auto-update won't work
Added message to let user know to uninstall the app to upgrade
Merge pull request #1130 from garvankeeley/manual-update-notification

Keystore has changed, so auto-update won't work
Default the ACRA reporting to on for github builds
Play Store default is off.
Merge pull request #1131 from garvankeeley/github-acra-default-to-on

Default the ACRA reporting to on for github builds