Merge pull request #22 from Senfan/master

add testing stage cap deploy
deploy swift storage server
deploy swift storage server
deploy swift storage server
deploy swift storage server
deploy swift storage server
fix create vm bug
fix bug
add RACK_UP env set
by garfield
remove extra file
fix swift ring file setup
add swift-nginx-setup
add config create to production
make db info global
fix bug
set net-ssh version 2.7.0 --Gemfile
Merge remote-tracking branch 'upstream/master'

Conflicts:
	config/config_file/server.json
	config/loadinfo/vm_access.rb
fix get api key bug

if a stage is not in db, the api key will bi nil.
add nginx proxy_pass to swift-nginx & swift proxy token_life