#15 Fix 'undefined method preview_link'
Fix request parameter to hash explicitly with permition
updating for Redmine 3.0(Rails 4.2)
Removed forgotten legacy rthml
Support for redmine 2.3.x
compatible to Redmine1.4 and add Frech language (merge from Martin's github)
Original plugin from r-lab, redmine_glossary version 0.6.1