Fix Bug #229: Error when create issues in firefox with attachments
Bug#226: Now owners can be visualized on the users list of  a project
Fix bug #223: Errors in the breadcrumb of the US detail page
Moving wiki to a plugin, and added tests for it
Bug#144: Now descriptions editions are processed by the wiki renderer
Close Bug #154: Add an action to show/hide taskboard stats
More wiki testing (and a small fix)
Adding test for code printing in the wiki tests
Close bug #230
Refactor issues filters.
Add tests to tags service.