improve project structure and migrate example to Django 1.4.5
- use 'petstore.settings_openshift' module for deployment specific settings
- remove celery task queue dependencies and setup and upgrade other dependencies
- update Openshift's own README
- update sample homepage information
- update openshift hooks to use DJANGO_SETTINGS_MODULE according to new settings module
- update README.md
improve Django configuration
- move local static and media folders out of the Python application package
- add a local development profile settings module
- update .gitignore file to reflect changes
- move Openshift specific configuration to its own Python module
optimize dependency installation
- calculate current virtualenv directory name based on requirements MD5
- delete previous virtualenvs
updated documentation
Merge branch 'feature/django-1.4.5-update' into develop