*8190* Fix urlencoding of DOI
*8148* provide OJS-specific file naming mechanism
*8148* migration path for article files
add return statement
*8015* Build usage event on issue main page views
*8015* Generate usage events log files
*8148* Submission step 1 porting continues
*8148* Submission process continued; various minor fixes
Conventions; submission
*8148* Typio
*8148* remove author code from metadata form, fix storage of controlled vocab fields
*8148* Notification work from OMP
*8148* Forgotten commits
*8148* Added concrete notification class for OJS
*8148* Editor decisions to PKP lib
*8148* Cleanup after edit decision move
*8148* remove reliance on file genres for submission files
*8209* Use article publication date for DOAJ export rather than issue
*8148* Views table to installer/upgrader
*8148* revert:  remove reliance on file genres for submission files