Liberty specs

• Adding custom scenario to scenario tests
• Adding cluster/instance/job_execution ids to log messages
• Allow the creation of multiple clusters simultaneously
• Objects update support in Sahara API
• Retry of all OpenStack clients calls
• Use trusts for cluster creation and scaling
• Deprecation of Direct Engine
• Drop Hadoop v1 support in provisioning plugins
• [EDP] Add Spark Shell Action job type
• Allow placeholders in datasource URLs
• [EDP] Allow editing datasource objects
• [EDP] Allow editing job binaries
• CDH HDFS HA Support
• CDH YARN ResourceManager HA Support
• Add support HDP 2.2 plugin
• Migrate to HEAT HOT language
• Decompose cluster template for Heat
• Updating authentication to use keystone sessions
• Manila as a runtime data source
• Addition of Manila as a Binary Store
• API to Mount and Unmount Manila Shares to Sahara Clusters
• Provide ability to configure most important configs automatically
• Heat WaitConditions support
• Use Templates for Scenario Tests Configuration
• Support of shared and protected resources
• Running Spark Jobs on Cloudera Clusters 5.3.0
• Storm EDP
• Storm Scaling
• Support NTP service for cluster instances
• Unified Map to Define Job Interface
• upgrade oozie Web Service API version of sahara edp oozie engine