User can edit torrents
* delete torrents
+ New translation string for mod panel and user edit torrent panel
+ Improvement of messages util with implementation of T (no need to get
Tfunc now, messages util do that for you)
+ Use of @ElegantMonkey GetCategories to generate select of categories
in search and forms
* Add T field to template variables
* Remove languages.SetTranslationFromRequest
* Add Tfunc on handlers
* Remove T and Ts from template_functions
* Update templates
Change the templates to use the local Tfunc, instead of the global one.
Also changed the signature of the fields on template_variables.go, so that
they return a template.HTML to avoid escaping problems.
* Remove unnecessary variable
* Hide change language footer when logged in
* Force people to select a report reason
* Don't ask for confirmation before deleting a torrent report
* Small cleanup of modpanel templates
* Fix modpanel comment list
* Fix missing "Delete" translation in modpanel
* Update German translation
* A few updates to the FAQ
