967943 - changeset apply - error if view publish/refresh in progress

This commit contains changes to raise an error if the user
attempts to apply (e.g promote) a changeset that contains
a content view that is currently being published or refreshed.
967943 - improve strings for translations
967943 - translate the taskstatus type
Merge pull request #2380 from bbuckingham/967943

967943 - changeset apply - error if view publish/refresh in progress