CFY-598 initial preps for workflow based tasks
CFY-598 more work
CFY-598 more work
CFY-598 more work
CFY-598 basic workflow running
CFY-598 small refactoring
CFY-598 testing chains
CFY-642 update workflow context to allow task creation/execution/async execution
CFY-649 start work
CFY-649 enable logging in workflow context
CFY-649 refactoring
CFY-642 added workflows package to setup.py
CFY-649 add relationship workflow type
CFY-649 start adding support for relationship operations
CFY-649 refactoring
CFY-649 make context capablities lazily loaded at the plugin side rather then explicitly injected during operation execution
CFY-145 expose bootstrap context and provider context in cloudify context
Merge pull request #4 from cloudify-cosmo/feature/CFY-145-provider-context

Expose methods to read provider context and bootstrap context. add api in CloudifyContext for using these
CFY-649 finish adding initial support for relationship operations
CFY-643 added node_state property in ctx and in NodeInstance class; node update will now update node state too; modified *_node_state into *_node_instance