Fix issue #288. Only show label form if repository collaborator/admin
Fix issue #278. Fall back to (default) branch for context data, if no branch selected
Fix #216. Change milestones, labels and assigne without reloading the page
Fix issue #259. Allow links in the repository description
Escape tags and quotes in links.
Prevent panic when dividing through zero
Merge pull request #300 from nuss-justin/issue/259

Fix issue #259. Allow links in the repository description
Merge pull request #296 from nuss-justin/dev

Fix issue 280 & unwatch button in Firefox
Merge pull request #297 from nuss-justin/issue/288

Fix issue #288. Only show label form if repository collaborator/admin
Merge pull request #298 from nuss-justin/issue/278

Fix issue #278. Fall back to (default) branch for context data, if no branch selected
Merge pull request #299 from nuss-justin/issue/216

Fix #216. Change milestones, labels and assigne without reloading the page
Update milestone issue stats when reopening/closing issue
Merge pull request #301 from nuss-justin/bugfix/milestone-counter

Update milestone issue stats when reopening/closing issue
Update progress of milestones when closing/reopening issues and allow closing of issues in commit messages
Update closed issues stats for repository
Update template and style, only close commit if commit is in same repository
Merge pull request #305 from nuss-justin/feature/commit-issue-fix

Fix #302. Show referencing commits in issue.
Fix double decrement of issue counter