#404 API extensions for showing permission for users
- added permissions to get_user function
- added last_login to get_user and get_users function
- modified custom JSON encoder to handle non standard python types, like set, OrderedDict, datetime, date

- #347 when running multiple RhodeCode instances, properly invalidates cache
for all registered servers
- server start also clears all cache keys now

implemented #377 Users view own permissions
- my account page uses YUI DT by default now

fixed #397 Private repository groups shows up before login
- added relevant test for this issue

added initial rc-extension module

- possible to store additional mappings for stats
- possible to overwrite and add to whoosh index extensions
issue #322
- post create repo hook callback
- post push/pull hooks callback

fixed issues with removed repos was accidentally added as groups, after
full rescan of paths

fixes issue #366 setting null on parent_group didn't propagate to actually db field.
- added relevant test for this

updated CONTRIBUTORS
- code garden

Git fixes
- removed remotes from git-branches
- fixed parsing for git node history
- docs updates

#344 optional firstname lastname on user creation
- on display fallback to username if both empty

fixes for release 1.2.4
- docs updates
- requires.txt file
- changelog

implements #330 api method for listing nodes at particular revision
- improved filtering by files in file list

configurable clone url
- posibility to specify ssh:// manually as alternative clone url.