Release Notes - Apache Griffin 0.2.0 (incubating)

** Highlights **
    * Enhancement of streaming data quality calculation performance.
    * Support timeliness and uniqueness measurements in both batch and streaming mode.
    * Measure job scheduler for batch mode.
    * Use eclipselink jpa instead of hibernate by default.
    * Use postgresql instead of mysql by default.
    * Upgrade detault spark version from 1.6.x to 2.2.1 in measure module.
    * Upgrade default hive version from 1.2.1 to 2.2.0 in service module.
    * Fix runtime issue caused by [HIVE-17155].


** New Feature
    * [GRIFFIN-56] - Profiling process implementation
    * [GRIFFIN-70] - Support job schedule trigger based on done file or others
    * [GRIFFIN-90] - Add uniqueness measurement as a new feature
    * [GRIFFIN-96] - Add timeliness measurement as a new feature
    * [GRIFFIN-96] - Add timeliness measurement as a new feature
    * [GRIFFIN-135] - Support Completeness measurement as a new feature


** Improvement
    * [GRIFFIN-74] - Manage job information by server
    * [GRIFFIN-75] - Enhanced jobSchedule implementation
    * [GRIFFIN-80] - Enhance the streaming measurement performance
    * [GRIFFIN-151] - Upgrade measure module calculation engine to spark 2


** Bug
    * [GRIFFIN-58] - Fix UI bugs of display
    * [GRIFFIN-69] - Fix create job measure id may not exist
    * [GRIFFIN-76] - The status of job running batch is NULL and the follow-up state can not be updated
    * [GRIFFIN-88] - Job management align with quartz job management
    * [GRIFFIN-93] - As a measure configure, we need to keep connector names unique in one measure
    * [GRIFFIN-94] - Measure create and update should be validated


** Task
    * [GRIFFIN-86] - UT of service module
    * [GRIFFIN-87] - Update documents align with the latest version