Add Hive + MySQL configuration

 * Added MySQL config for Hive
 * Apply config if MySQL is enabled
 * Run MySQL if oozie and hive instances are not the same
 * Create Hive DB schema
 * Start metastore server

Partially implements blueprint edp-vanilla-plugin-hive-pig

Change-Id: I181bb8813091e8f61e8cba550363cd145c375e72
Add an ability to configure a job

Adds an ability to fulfil <configuration> block in workflow.xml
Partially implements blueprint edp-job-configs-params

Change-Id: I5c6dda92efc43aa4c56dd6b41b7b36bd94f4be5b
Merge "Add an ability to configure a job"
Merge "Add Hive + MySQL configuration"