NR-879: Newsroom kanban view

Wrap missing strings into translate methods.
NR-932 : NewsML General Wire Template

Implemented a basic newsML export.
Merge pull request #126 from chupym/aap

NR-932 : NewsML General Wire Template
Merge pull request #124 from petrjasek/aap

NR-879: Newsroom kanban view
Fixed mongoengine compatibility issue