CFY-973 blueprints validate command now doesnt use resources from master branch; impotrs in blueprints should be direct URLs nowadays
CFY-973 flake8 fix
CFY-973 fixed tests
CFY-973 fixed validate blueprint error message
CFY-973 Blueprints upload command will now execute local blueprint validate before upload; modified blueprints upload blueprint path parameter to be of type argparse.FileType (so now validation on file existence and expanduser on path are done by argparse)
CFY-973 flake8 fix
CFY-973 fixed test; modified test blueprints used for validation tests etc. to be simpler and not use types.yaml
CFY-973 fixed annoying error output in nonexistent blueprint file cli test
Merge pull request #49 from cloudify-cosmo/CFY-973-validate-blueprint-locally-before-upload

Cfy 973 validate blueprint locally before upload