First step in two-part process to rename directories to kallithea.
This first step is to change all references in the files where they refer
to the old directory name.

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.

moved make-index command to paster_commands module

- optimized imports and code

Implemented filtering of admin journal based on Whoosh Query language
ref #210

fixes issue #524
- fixed search by filename
- added missing test for this search

when indexing changesets use the raw_id to locate the point from
which to start indexing rather than the revision which can be unreliable.

#469 added --update-only option to whoosh to re-index only given list
of repos in index

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

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

bumbed whoosh to 2.3.X series
- fixed some html issues on search results

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

complete rewrite of paster commands,
used fancy celery-pylons baseCommand to implement better support for paster commands
fixed make-index, and paster celeryd. Moved config's add_cache to utils

Refactor codes for scm model
Some test updates, added test for admin user controller

fixed admin settings form resubmition bug.
removed obsolete whoosh index location. Some small templates fixes

Implemented whoosh index building as paster command.
docs update
fixed manifest.in for missing yui file.
Fixed setup to beta
added base for paster upgrade-db command

Code refactoring,models renames
cleaned up sqlalchemy sessions,
added cache support to most queries in models
fixed test.ini file

fixed @repo into :repo for docs
fixed routes descriptions