*8648* *8683* Reverting crossref automated deposit and article scheduling

This will have to be tested carefully. Note in particular some changes to the Datacite and quicksubmit plugins, as well as changes to issue/article scheduling.
Wrap intro in div if present(prevents mashing with no-journals msg)
*8648* *8683* Reverting crossref automated deposit and article scheduling
*8493* code conventions and styling
Merge pull request #176 from pkp/revert244

*8648* *8683* Reverting crossref automated deposit and article scheduling
*8493* use locale key
General cleanup
Submodule commit
*8729* Permit SE access to layout instructions
*8730* Fix author layout comment posting
Deprecation warnings
Remove double-horizontal rule from author metadata view
Merge remote-tracking branch 'upstream/ojs-stable-2_4' into ojs-stable-2_4
Submodule track
Submodule Track