tinymce integration
Merge branch 'master' into tinymce

Conflicts:
	app/views/proposals/_proposal.html.erb
the new editor is coming...along with a YouTube button!
document management
Merge branch 'master' into documents
icon on button
fix document
refacotring layout per altri temi jquery ui
some minor fixes
new configurations
some i18n
qualche prova con più branch
Merge branch 'master' into version_1_7
fix email social network links based on configuration
i18n
Merge branch 'master' into version_1_7
i18n, choose date button in proposal page, fixes and code reviews
last fixes for documents before 1.7
Merge branch 'documents' into version_1_7

Conflicts:
	app/views/layouts/groups.html.erb
	config/routes.rb
	db/schema.rb
fix