Update doxygen OJS version number
fix upgrade problems
*8330* datacite export plugin and html entities
*8330* medra export plugin and html entities
*8343* Fixed missing variable fetch
*8353* Allow override of current locale via URL
*8353* Allow locale set by URL (fix parameter name to avoid clobber)
*8359* Use mdash for referrals without titles
Correct external use of protected method (from Bozana)
*8396
*8409* Fixed registration disabled message
*8411* Update compiled CSS
*8221* Fix missing template setup
*4709* English language tweaks
*6523* convert email address case before comparisons
*8406* Allow piwik plugin to properly self-register on install/upgrade
*8407* fix active review counts on reviewer selection page
*8403* Fixed missing column fetch
*8412* empty issue and supp file DOI element in CrossRef XML export
consider only articles that have a DOI in CrossRef XML export