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.

Hide add repository button in admin repositories view if we
don't have permission to create repositories

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

html: don't hardcode uppercase texts

_If_ we want uppercase then it should be done in css.

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

rewrote admin repos page.
- less info (no VCS data), but much faster.
- having 1000s of repos is not a problem now
- pagination/filtering using YUI datatable

Added h.tooltip to all places that tooltip_title is used.
- improved escaping of < and > inside tooltips

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.

fixed inline comment indicator.
- templates cleanup

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

reimplemented tooltip, refactored tooltip_title into title for proper html,
and changed display strategy to right to temporary fix display problem with large tooltips

fixed html templates, fixed overal rhodecode width to 1024pixels
various additional to templates. History for annotation, width for my page, repo types for admin panel repositories

fixed bug when autocomplete could not display names (hidden by div)
fixed repo switch autostrech bug
some other tweeks for templates