Release Notes - Apache Griffin 0.4.0

** Highlights **
    * Profiling measure UX improvements.
    * Lifecycle hooks support.
    * Plaintext mode for measure creation.


** New Feature
    * [GRIFFIN-200] - Lifecycle hooks support.
    * [GRIFFIN-203] - Plaintext mode for measure creation.
    * [GRIFFIN-196] - Search box for table names.


** Improvement
    * [GRIFFIN-193] - [Service] Profiling measure UX improvements.


** Bug
    * [GRIFFIN-197] - Profiling measure UX improvements.
    * [GRIFFIN-198] - HiveMetaStoreServiceImpl caches incorrrect state of meatastore.
    * [GRIFFIN-199] - [UI] Non-descriptive message when job creation failed.
    * [GRIFFIN-201] - [Service] Hive metastore callls failing frequently.
    * [GRIFFIN-206] - [UI] Wrong sign off time zone offset when created from UI.
    * [GRIFFIN-207] - [Service]LDAP auth is not supporting group filters and non-CN login names.
    * [GRIFFIN-208] - [Service] Job status is SUCCESS even if some stages have failed.
    * [GRIFFIN-209] - [Measure] In paramUtil, the util function getParamStringMap doesn't work as expected.
    * [GRIFFIN-211] - [Service] JobInstance appUrl error.


** Task
    * [GRIFFIN-86] - UT of service module
    * [GRIFFIN-204] - postman collection is not up to date, some APIs don't work well, like create measure.