Merge pull request #12 from tolecnal/master

BASH script to automatically update reposearch
From scratch! refs: #15, #13, #11, #10
Specify supported version (>=1.4.x).
Change README format from rst to rdoc.
Change README format from rst to rdoc.
Add Gemfile. refs: #18
Move lib/redmine_reposearch.rb to lib/reposearch_engine.rb
Update test_helper to 2.x. refs: #18
Update README to 2.1.x. refs: #18
Remove unused module.
Migrate to redmine 2.x. refs: #18
Fix bug for unidentifier repos. refs: #18
Add magic comment. refs: #19
Merge branch 'master' of github.com:Surgo/redmine_reposearch