Russian translation

New translation to Russian added
Message "Close" additional added
Make "Close" message translatable
Russian translation

set up right trans-unit id (sha-1 hash of "Close")
Update en translation - add "Close" message
Update fr translation - add "Close" message
Merge pull request #16 from lexxpavlov/master

Russian translation
Merge branch 'master' into 1.0

Conflicts:
	Resources/views/Form/croppable_image_modal.html.twig