Notification system improvements
- deleting
- tests
- ui
- moved to separate controller

lazy load of branches and tags menu
- to reduce load on repositories with large amount of branches and tags.
- reduce load times of pages significantly on large repos

#243 add register link to login dropdown
- for anonymous users to be able to reach that page added a short link to floating box

#47 implemented Adding of new repo_groups+forms+validators. Fixed sorting of repo groups by main names in multiple locations. Removed some unneeded calls to self.sa for exchange to .query() methods.
Added new db unique key for Group

implemented repo switcher list as dynamically loaded by xhr requestt.
fixed sorting bug and missing groups on them

implemented public journal for anonymous users, admin can control which repositories
are visible in such journal in admin panel

another major codes rewrite:
- created BaseRepo controller for all repo specific controller, and added common data propagation
- removed obosete codes, and made optimizations, removed to often calls to RepoModel
- fixed found bugs in files controller that generated unhandled 500 errors
- cache issues
- removed repo_branches global template values
- journal fixes
- main repo list is fully dict now it's less resource heavy that way

another major code rafactor, reimplemented (almost from scratch)
the way caching works, Should be solid rock for now. Some code optymizations on scmModel.get() to make it don't load unneded things. Changed db cache to file that should also reduce memory size

#56 added ajax removal of users groups,
fixed permission edition templates by regular non admin users
found bugfixes in forms for users groups

fixed following js snipet. It' can be called multiple times now next to each repository
added helper method for checking if user is following repository

fixes for journal, added paging now it's possible to view whole journal
fixed tooltip events for shortlog and journal paging. Moved journal to it's own templates

when new repo is created make user follow it automatically,
add tilte to currently logged in user.

Implemented fancier top menu for logged and anonymous users
little error fix for cached query

extended trending languages to more entries, implemented new faster and "fancy"
method of extensions recognition.
Fixed small bug in indexer when data dir was empty

changed official rhodecode favicon, from hg to some more generic
removed some unneded icons
update setup to add changelog

Moved out reposcan into hg Model.
Rewrote repo scann and caching of repositories, all is in hgModel.
Changed invalidate cache calls.
mergeds main repo list and repo switcher list into one new based on hgModel.

removed shortlog from main menu, as duplicated functionality of changelog,
moved shortlog as ajax pagin in summary

Fixes for raw_id, needed for git
Renamed hg controller to home
css html changes