Initial commit
Build a basic salt formula

* Install all required packages
* Setup and configure "supervisord" as a daemon automatically.
Add nginx deployment

* use file socket
* Add a deploy script for testing
Fix error in testing existence of nginx site file.

* Check the existence of /srv when creating soft link
Split packages.sls into three sls

* Add include settings in /etc/supervisord.conf
Install saltstack with developing version

* Remove /srv if it is existent.
Implement the uwsgi configuration and its related part, supervisor and nginx.
Update README.md
Rearrange path of configuration files

* Rename templates files with jinja extension name
* Move app related configuration file into webapp/templates
Remove disable nginx site

* Add some global settings in pillar
Update configuration format of template files
Add webapp "pycon-apac-2014"
Split the common part of web app into a base.sls
Use saltstack in a more stable version