i18n implemented
Merge pull request #715 from switz/translations

@lefnire => i18n support... aka Translations!
bug: popovers where being attached to ".main-avatar" which was changed
to ".main-herobox" in the redesign
code cleanup: some indentation & {{}} where live-binds aren't required
parties: bunch of bug fixes. enable parties by default, just notify
them at lvl 3 if they haven't started using it. Show a bell-icon
notification in user, reset dom properly after invitation
Merge branch 'develop'