add cloud_baseimage and cloud_nodes
fix Dockerfile url
add cloud_mongodb
ignore README.md when build image
add comments
add cloud_nodejs_gm_im
copy from library/mongo
add cloud_java
fix README file
add cloud_ruby
Merge commit 'e12b1f489628f0a555859b5ef9c99729a0018a79'

Conflicts:
	README.md
remove sumologic from cloud_baseimage
add cloud_reis, cloud_cassandra, cloud_dynamodb, cloud_memcached