NR-940: Publishing Control on article plugin
* an initial code
NR-940: Publishing Control on article plugin
* an implementation attempt
NR-940: Publishing Control on article plugin
* default types; adjusted
NR-940: Publishing Control on article plugin
* adjusted; working
NR-938: Publishing Control tab

Work in progress.
Work in progress.
Merge branch 'nr-940-article-target-outputs' of https://github.com/msat-cont/Superdesk into NR-938
NR-938: Publishing Control tab

Completed.
NR-938: Publishing Control tab

Removed unnecessary template.
NR-938 : Publishing Control tab

Conflicts:
	plugins/content-article/content/article/impl/article.py