ATLAS-512 Decouple currently integrating components from availability of Atlas service for raising metadata events ( yhemanth via sumasai)

ATLAS-476 Update type attribute with Reserved characters updated the original type as unknown (yhemanth via shwethags)

ATLAS-508 Apache nightly build failure - UnsupportedOperationException: Not a single key: __traitNames (shwethags)

ATLAS-396 Creating an entity with non-existing type results in Unable to deserialize json error (guptaneeru via sumasai)

ATLAS-398 Delete trait that exists but not linked to entity results in "400 Bad request". It should result "404 not found" (ndjouhr via shwethags)

ATLAS-106 Store createTimestamp and modified timestamp separately for an entity (dkantor via shwethags)

ATLAS-342 Atlas is sending an ENTITY_CREATE event to the ATLAS_ENTITIES topic even if the entity exists already (shwethags)

ATLAS-361 Add validation when index backends are switched in ATLAS configuration - Fixed UT (sumasai)

ATLAS-294 Select queries(ex: from DB select DB.name) response contains column names as _col_x instead of the actual names requested in the query.(thiyag via sumasai)

ATLAS-289 updateEntity does not remove existing edge for multiplicity-one reference (dkantor via shwethags)

ATLAS-37 atlas repository, webapp, hive-bridge tests fails with Hbase and Solr as Titan storage backend (suma.shivaprasad via shwethags)

(cherry picked from commit 414beba5)

(cherry picked from commit 414beba5)