integrated boto, describing a few functions
added default image_id
implemented basic connect_cloud and declared two more functions
added conn as an argument in all required functions
create_sec_group() added
implemented create_sec_group, spawn_instances and gen_save_keypair
Updated create_sec_group, estimate_run_instances and a few minor bug fixes
added vm configuration function
exception handling in config_instances()
Fetch credentials from config and env
modified connect_cloud to use credentials dict
added function for arg parsing
region creation moved to connect_cloud()
added __main__ fun() and a few minor changes
a working prototype
Fixed properties file creation
created a basic skeleton of hadoopstack package
Updated user and developer documentation
added url prefix based api versioning and gitignore file
remove cached *.pyc file and updated gitignore