Merge pull request #2 from balticit/master

master -> stage
Update _menu.html.erb
Merge branch 'stage' of github.com:balticit/template
fix localization
update active admin
gems: update
activeadmin: move stylesheet to vendor folder to prevent overriding app styles
menu: add class for current page
gems: add client side validation
l10n: add russian locale for formtastic
Merge pull request #3 from novsem/stage

валидации, меню и локализация
change gitignore
menu: add ability to edit page order
Merge pull request #4 from novsem/stage

сортировка пунктов меню
removal of excess
Merge branch 'stage' of github.com:balticit/template into stage
pages: add autofilling for slug and specs for it
pages: add test for non-blank slug
activeadmin: move slug input to seo group and derequire it
specs: remove debug print