Merge branch 'ticket/master/280-issue-autocomplete-match-issue-ids' of https://github.com/edavis10/chiliproject into edavis10_280-issue-autocomplete-match-issue-ids

Contributed by Yuki Sonoda

Using SQL CAST() to convert the issue ids to strings so LIKE will work
properly.

fixes #251

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4917 e93f8b46-1217-0410-a6f0-8f06a7374b81

* Third version is called Patch
* Branches are stable, master, or unstable

Remove the deprecation warnings for version_requirements with rubygems < 1.5
and allow ChiliProject to run with rubygems >= 1.5.