Adds a controller hook before issue move (#4850).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3457 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

@@ -327,6 +327,7 @@ class IssuesController < ApplicationController
           end 
         end
         issue.init_journal(User.current)
+        call_hook(:controller_issues_move_before_save, { :params => params, :issue => issue, :target_project => @target_project, :copy => !!@copy })
         if r = issue.move_to(@target_project, new_tracker, {:copy => @copy, :attributes => changed_attributes})
           moved_issues << r
         else