CFY-1609 using get_attribute in manager blueprints; modified interface for tasks.py
CFY-1609 moved 'manager-public-ip' property into fabric env parameters rather than the actual task parameters
Merge branch 'master' into CFY-1609-use-get-attribute-in-manager-blueprints
Merge pull request #92 from cloudify-cosmo/CFY-1609-use-get-attribute-in-manager-blueprints

CFY 1609 use get attribute in manager blueprints