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.

API methods create_repo, fork_repo, delete_repo, get_repo, get_repos
can be executed by non-admin users ref #539

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

created rhodecode-api binary script for working with api via cli
- created docs
- moved the backup script to bin folder

#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

garden
- unified logging formatting to use only %

implements #329
- api function for adding a users_group into repo
- fixed found issues on API with missing params detection
- updated docs for api

fixed issues with python2.5
added compat module to rhodecode to have one point of fetching backward incompatible libs.

API added checks for a valid repository on pull command
Added pre-check if repository have a remote_uri defines before pulling
bugfix with no default arguments on api function
added traceback when unhandled exception occurs on API

Extended API

- updated docs
- created two new methods for creating users and creating users groups
- changed user attribute generated from api_key to apiuser for better name compatibility with functoin parameters

API fixes
- fixed error messages for API