Initial commit
WIP: README
Merge pull request #1 from pmorie/master

WIP: README
WIP: describe incremental builds
Merge pull request #2 from pmorie/readme

WIP: describe incremental builds
Addig basic support for command line invocation
Update README
fix requirements.txt
Adding support to validate images
Add parameter for docker URL
Merge pull request #3 from pmorie/url

Add parameter for docker URL
WIP: build image
Merge pull request #4 from kraman/build

WIP: build image
Make validate usable when source image has no CMD defined
Merge pull request #5 from pmorie/cmd

Make validate usable when source image has no CMD defined
fix typo
Merge pull request #6 from pmorie/typo

fix typo
Cleanup
Merge pull request #7 from pmorie/cleanup

Cleanup
Fix syntax error in build