Group management delegation:
this allows users to become an admin of groups
a group admin can manage a group, change it's name
or permissions. A group admin can create child group
only within a group he is an admin off.

Top-level group can be only created by super admins

make gravatar icon little bit bigger, re-use same img src like on other menu items,
fix styling on unread inbox

top menu: show user menu as a menu option like others, now also with login name

A minor regression: the message count is not clickable ... but it was hard to
hit, and somewhat confusing that different parts of the icon meant different
things.

The new html/css will probably need some review and cross platform testing.

top menu: highlight current menu item - reusing hover

Giving a visual hint where the user 'is' helps navigating and feeling
comfortable with the site.

Use common function for generation of grid data
- admin grid now has dedicated edit button, and uses changeset_cache
- some small improvements to grid
- all other datatables use this

Full IP restrictions enabled
- short cache query for IP for performance
- remove redundant logic
- some small css fixes for login form to better show IP restricted message

Added UserIpMap interface for allowed IP addresses and IP restriction access
ref #264 IP restriction for users and user groups

Implemented #379 defaults settings page for creation of repositories
- locking
- statistics, downloads
- repository type

Implemented file history page for showing detailed changelog for a given file
- fixed git detection of filenode history when executed on directory
- shortlog uses urlify_commit function now

Cleaned the way cache keys are invalidated
should fix issue #504 RhodeCode is showing different
versions of README on different summary page loads

Implemented generation of changesets based
on whole diff instead of per file diff. That
can give a big speed improvement for large changesets in
repositories with large history.
- improved handling of binary files
- show renames of binary files
- implemented new diff limit functionality
- unify diff generation between hg and git
- Added binary indicators for changed files,
- added diff lib tests

small anchor cleanup
- fixed readme positioning with fixed bar
- added anchor link to inline comment

new tooltip implementation
- added lazy loading of changeset tooltips for journal data

Don't allow cherry picking changesets from the changelog using checkboxes.
Change pull request text that will indicate opening pull request against checkec changesets

fixed missing div on my_account + added nothing here yet when there are no
pull requests for user

merged + fixed pull request #62: Implemented metatags and visualisation options.
- new tag lang
- fixed found issues
- added simple test

implemented admin panel Users table with YUI datatable
- much better handling of big amount of users
- filtering by username
- sorting by columns

Improvements to my account page
- lazy load repositories via ajax results in much faster page load
- added pull requests tab to see my pullrequests and the ones i participate in
- new style tabs

Added autocomplete widget for pull request reviewers, in exchange of 90s style
multi select widget

Autocomplete fixes
- use translation MAP
- move translation to top level in order to be used inside rhodecode.js
- re-use user and groups data in changesets page

Added mentions autocomplete into main comments form
- recompiled yui.2.9.js using google compiler

Show changes of status inside comments
- comments that change status are now associated with status object, and showed in comments blocks

Implements subrepos view inside filebrowser
- fixes issue #434: Error when accessing files or changesets of a git repository with submodules

notification inbox improvements
- added pagers
- css+styling fixes

#415: Adding comment to changeset causes reload
- comments are now added via ajax and doesn't reload the page

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

utils/conf
- created temporary utils2
- made config.conf for storing some configurations
- fixed some dependency import problems
- code cleanup
- rc-extensions now properly work for celery

UI
- added clone-url into edit form on /settings page
- added help text into repo add/edit forms

made upper menu always hover, looks nicer and produces less troubles
- added notification inbox into quick menu
- commented yet innactive compose message button

fixed percentage in stats
fixed menu css