added addtional prompts in different provider
added app engine support, still has the issue about "r"
fixed some bugs in settings_appengine
fixed type
added google app engine to description
Finish deploying, and some tasks:
* better settings
* do trick to import app engine built-in libs
* new provider yaml name approach
* deploying (`fab deploy`)
* ask more questions about appengine while `fab setup`
* automatically generate a virtualenv and install requirements for
deploying to appengine
* fixed bugs
command for syncdb still use that one from rocket engine, deploy use from here `manage`
Merge branch 'appengine_support' of https://github.com/littleq0903/django-deployer

Conflicts:
	setup.py
post-merge cleanup
Merge branch 'master' of https://github.com/natea/django-deployer

Conflicts:
	setup.py