replaced ember-form by ember-easyForm

ember-easyForm seems to have better support for i18n
also seems to be more stable
fix missing bottom margin
bootstrap 3 for ember-easyForm

still lacks support of checkboxes: http://stackoverflow.com/questions/26444069/passing-handlebars-helper-to-another-helper-in-emberjs
Merge branch 'master' into feat/i18n

Conflicts:
	app/index.html
	app/templates/create/options.hbs
	bower.json
delete debug comment
show evaluation on user request; hide it by default
Merge branch 'master' into feat/i18n