Fixed that non array commit_update_keywords raises an error (#7590).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12216 e93f8b46-1217-0410-a6f0-8f06a7374b81
Avoid lots of CustomField.find_by_id calls when displaying an issue history with custom fields (#15072).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12217 e93f8b46-1217-0410-a6f0-8f06a7374b81
Fixed that redmine:migrate_from_mantis fails to migrate projects with all upper case name (#15050).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12218 e93f8b46-1217-0410-a6f0-8f06a7374b81
Fixed that controller_issues_edit_before/after_save hooks have no controller context (#15044).

Patch by Jordan Hollinger.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@12219 e93f8b46-1217-0410-a6f0-8f06a7374b81