Create locale in pt_PT for backup plugin
*8190* fix URL encoding for DOIs
fix validate method
*8648* Crossref automatic deposit: initial re-commit and cleanup
*8864* Fixed issue ToC display when article cover images are shown.
*8859* Improve article copyright/license affixing
Move permissions setup from ArticleDAO to controller and workflow; cleanup some style issues
Clarify comments for new Article features
*6582* Override getCurrentVersion() on Custom Block Plugin to prevent the upgrade and delete management verbs for a subsidiary plugin
Check for copyright year in sectionEditorSubmission after publishing status is set; key quickSubmit publication status on user input, key copyright year check on publication status
Fix reset permissions function: refresh object after update and prevent reset before changes are saved.
Merge pull request #251 from FourthAndVine/ojs-stable-2_4

*8864* Fixed issue ToC display when article cover images are shown.
*8824* Fixed lint errors
*8824* Submodule changes track
Italian translation for new plugins
Missing Italian translation strings

Italian translation for new strings missing in previous versions
Italian translation for manager strings (statistics)
Merge pull request #264 from marchitelli/ojs-stable-2_4

Italian translation for new plugins
*6944* Allow for Custom Theme Plugin stylesheet to function per-journal rather use the plugin directory (per-site)
Updating Italian translation

Adding new strings and deleting unused ones.