Merge pull request #3 from MirantisDellCrowbar/master

Updating barclamp-git
Update and rename README.txt to README.md
Merge branch 'release/hydrogen/master'
Engine-ized barclamp git
Move bc-template files out of the way
Zap schema files that we don't need
Move attributes out of the way so that they do not trigger schema validation.
Fix layout version