site settings option for preventing journal manager plugin management
Merge pull request #231 from Det-Kongelige-Bibliotek/custom_ranking_off

*8834* Lucene plugin custom ranking should be off by default.
fix missing $
updated de_DE locale, re: 64a691cc03
updated de_DE locale, re: 73369ced46
*8784* updated de_DE locale, re: 20321164e4
*8785* updated de_DE locale, re: 7bebe8be44
*6365* updated de_DE locale, re: 3ba5d9b736
*8785* updated de_DE locale, re: e1435507b0
Merge pull request #235 from mtub/20140705-German-locale

20140705 german locale
*8840* Fix language chooser with path info disabled
*8839* clean up custom issue orders when deleting an issue
Merge pull request #218 from bozana/pluginMngmnt

*8835* Site settings option for preventing journal manager plugin management
*8190* fix URL encoding for DOIs
fix validate method
Relax certificate check for Travis build
*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