Bumped version to 2.2beta17
@branch-specific
remove spurious call to onCreate()
Merge pull request #416 from timrae/issue2166

remove spurious call to onCreate()
Updated translations
Bumped version to 2.2beta18
@branch-specific
Issue 2167: Don't add tag unless add tag button pressed
Merge pull request #417 from timrae/issue2167

Issue 2167: Don't add tag unless add tag button pressed
Show some feedback when new tag has been added
Merge pull request #418 from timrae/issue2167

Show some feedback when new tag has been added
Remove landscape layout for 7" tablets
Merge pull request #419 from timrae/issue2161

Remove landscape layout for 7" tablets
Updated localizations
Bumped version to 2.2beta19
@branch-specific
Configure Travis CI branches.

This commit updates the configuration for Travis CI to build the release
branches, as well as the 'develop' branch. This should make it so that pull
requests on those branches automatically get a notification about whether the
code builds correctly.