[WIP] PIM-1837: Add missing messages

Bug fix: [no]
Feature addition: [yes]
Backwards compatibility break: [yes] Some translation keys have been changed
Unit test passes: [yes]
Specs passes: [yes]
Behat scenario passes: [yes|no]
Checkstyle issues: [no]*
ChangeLog updated: [no]
Fixes the following jira:
 - PIM-1780
 - PIM-1837
 - PIM-1876
 - PIM-1878