feat(ingest): Ingest stats widget re-enabled.
Merge pull request #313 from eozan/ingest-stats-widget-enable

feat(ingest): Ingest stats widget re-enabled.
feat(dashboard): Introducing workspaces UI

+ add support for submenus
+ add new beta modules in workspace directory

SD-387
close #312
fix(ingest): fix module name

it prevented usage of real `superdesk.archive.directives` module