*8366* Added email notifications to the review assignment cancel process
*8366* Fixed typo
*8354* upgrade plupload to 1.5.7
*8354* fix 'add files' button in Firefox
Fix role constant name
Share locale key
Fix locale file
Merge pull request #53 from MichaelThessel/8366_review_cancel

*8366* Added email notifications to the review assignment cancel process
Fix undefined variable warning
Correct potential cross-context requests (e.g. on dashboard)
Moved locale key to shared library
*8417* Add copyediting grid to PKP lib for author dashboard
*8417* Add copyediting grid to PKP lib for author dashboard
introduce a factory method in VirtualArrayIterator
Missing locale key
*8418* Fix author dashboard production stage in OJS
*8418* Fix author dashboard production stage in OJS
Remove unnecessary use of references
References/conventions
*8265* Move compiled CSS to cache