Imported some of the GPLv3'd changes from RhodeCode v2.2.5.

This imports changes between changesets 21af6c4eab3d and 6177597791c2 in
RhodeCode's original repository, including only changes to Python files and HTML.

RhodeCode clearly licensed its changes to these files under GPLv3
in their /LICENSE file, which states the following:
The Python code and integrated HTML are licensed under the GPLv3 license.

(See:
https://code.rhodecode.com/rhodecode/files/v2.2.5/LICENSE
or
http://web.archive.org/web/20140512193334/https://code.rhodecode.com/rhodecode/files/f3b123159901f15426d18e3dc395e8369f70ebe0/LICENSE
for an online copy of that LICENSE file)

Conservancy reviewed these changes and confirmed that they can be licensed as
a whole to the Kallithea project under GPLv3-only.

While some of the contents committed herein are clearly licensed
GPLv3-or-later, on the whole we must assume the are GPLv3-only, since the
statement above from RhodeCode indicates that they intend GPLv3-only as their
license, per GPLv3§14 and other relevant sections of GPLv3.

Unified the paginators for pylons and YUI.
- YUI based paginators now behave more like the ones generated with pylons
- introduced new custom pylons paginator for customizations needed to unify both

improved title consistency
- changed - into dots to save space

don't show rss links - atom is the present and the future

- following the reasoning on http://selenic.com/pipermail/mercurial-devel/2012-December/046542.html

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

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

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

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

Added sorting into journal and admin pages
- code garden to reuse some blocks and make it consistent on different views

Implements #304
hashes in relevant places are displayed using monospaced font.

personal Journal UI
- added my repos and watched repos with filtering

fixed inline comment indicator.
- templates cleanup

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