add pull_request #check_state method for updating state and issue comments count #126;
add comments_count coulmn to pull_requests table;
add rake task for updating old pull_requests records;
remove trailing spaces;
add mock_issue spec helper method.
remove unneeded comma
add .ruby-gemset to .gitignore
Merge pull request #302 from dpsk/pull-request-status-and-comment-counts

Pull request status and comment counts
Gem updates
add by_language scope to projects and users
resolve conflict
expose /language/:language and display information
resolve conflict in pull request spec
add pagination for projects on language page
add /language/:language/projects
add /language/:language/users
pull requests for a language
use helper to retrieve user count
only show PRs for current year
reuse pull_requests/index to render language prs
Merge pull request #305 from despo/add-language-page

Add language page
Tweaked the wording of some language titles
Downcase links to language pages
Only show sections on the language page if they have data