init
update setup.py
BugFix
add set_tag module
add features

* add some create_stack options
* Chef settings with awscli
* create layers
* create instances
add features

* start nat and get EC2 Instance Id
* create route
retrieve EC2 Instance ID with retrying and timeout
BugFix
Fixed module to retrieve EC2 Instance ID
add module to check whethere security groups have been created.
fix some output strings
fix some output strings.
add setup.cfg
temporary save
temporary save
Merge branch 'master' of github.com:yuki-takei/dupsworks

Conflicts:
	README.md