Merge pull request #21 from ewokcillo/master

[Admin] Forms in new pending states must be shown in the reports too
Adds labels in order to get translation for printing status
Uses translation function in print cover clearance
Updates .po file
Merge remote-tracking branch 'origin/master' into dev2
Adds missing e
Adds intake_printed attribute
Fixes print successful button changing language
Adds clearance_printed field in result form
Keeps print succesfull once form has been printed
Refactorizes set as printed views