highlighting: Improve mentions and hashtags
Dirs: Export create_dirs function

We need them in the test suite
tests/usercounter: Fix test case

This makes it work without a configured account but also shows that
UserCounter currently does not sort the inserted users on the fly and
instead relies on the database sorting.
tests: Create directories

We need to ensure that our config/cache directories exist before
executing the test cases, because they probably don't in the case that
the application itself has never been started before.
MainWidget: Make the confirm button insensitive...

... if the pin has not yet been entered
Merge branch 'master' of ssh://baedersonline.de:2207/git/Corebird
pot update
Merge branch 'master' into main-widget

Conflicts:
	po/corebird.pot
AvatarWidget: Make the border slightly thicker
tweet-list-entry: Give the delta-label some margin-end
Strip user names

Looks like somehow some people get newlines into their user names so
just strip them and hope they never appear in the middle.