*8190* fix URL encoding for DOIs
fix validate method
*8841* /issue/current/showToc redirects to /issue/view/xx/showToc
*8790* Fix for DOAJ plugin publication dates
Merge pull request #240 from jmacgreg/ojs-stable-2_4

*8790* Fix for DOAJ plugin publication dates
*8852* Fixed default frequency time definition
Merge pull request #239 from lepidus/8841-fix

*8841* /issue/current/showToc redirects to /issue/view/xx/showToc
*8864* Fixed issue ToC display when article cover images are shown.
*8853* Add explicit string cast to avoid problematic DB cast
Merge pull request #245 from asmecher/8853-fix

*8853* Add explicit string cast to avoid problematic DB cast
*8824* Fixed more jslint warnings
Ignore CSS in cache
*8854* Add config variable to declare X_FORWARDED_FOR header as trusted or untrusted
Merge pull request #249 from ulsdevteam/clarify-x-forwarded-for

*8854* Add config variable for X_FORWARDED_FOR ##ulsdevteam/clarify-x-forwarded-for##
*8863* Fix reviewer comment editing/deletion
*8859* Improve article copyright/license affixing
*6837* Implementing administrator password validation on instalation
Merge pull request #250 from asmecher/8863-fix

*8863* Fix reviewer comment editing/deletion
Move permissions setup from ArticleDAO to controller and workflow; cleanup some style issues
*8818* Redirect to current issue if issue URI specifies unpublished issue