i18n
language switch
some small fixes
best way known yet to rerender after language switch

question still open: http://stackoverflow.com/questions/26091303/recommended-way-to-rerender-page-in-ember-after-language-switch
Merge branch 'master' into feat/i18n

Conflicts:
	app/index.html
	app/templates/create/options.hbs
	bower.json
delete debug comment
Merge branch 'master' into feat/i18n
layout
moment i18n
some forms translated
validation got lost
i18n pluralization support
better use of ember-easyForm and validation in create.options
better use of ember-easyForm and validations on create.options-datetime
missing translation
translation for create.settings
fix wrong action name
missing translation
visibilty as a view property + missing translations
Merge branch 'master' into feat/i18n