Mistral/Etherpads

Etherpads

 * https://etherpad.openstack.org/p/TaskServiceDesign
 * https://etherpad.openstack.org/p/TaskFlowAndMistral
 * https://etherpad.openstack.org/p/MistralQuestionsBeforeImplementation
 * https://etherpad.openstack.org/p/MistralRoadmap
 * https://etherpad.openstack.org/p/MistralDSLSpecification
 * https://etherpad.openstack.org/p/MistralAPISpecification
 * https://etherpad.openstack.org/p/MistralDataFlow
 * https://etherpad.openstack.org/p/MistralErrorHandling
 * https://etherpad.openstack.org/p/MistralEngineForTaskFlow
 * https://etherpad.openstack.org/p/mistral-poc
 * https://etherpad.openstack.org/p/std_repeat
 * https://etherpad.openstack.org/p/OW0pedwM2q (discussion of Dmitri & Renat about DSL)