AMBARI-6499. Unable to proceed from step 4 of installer if YARN-dependent services are selected but YARN isn't (HDP 2.0)	. (Max Shepel via onechiporenko)
AMBARI-6501 Extend server-side stack definition to include metadata for additional configurations (including -env.sh files) for each service. (ababiichuk)
AMBARI-6488. Move global to env in stack definitions (aonishuk)
Merge remote-tracking branch 'origin/trunk' into trunk
AMBARI-6502. HDFS global config values get undone in 'Add services' wizard after clicking 'Back' on Review page (Buzhor Denys via alexantonenko)
AMBARI-4338 Proper error message required for CSRF protection error (mpapirkovskyy via dlysnichenko)
AMBARI-6489. Add sequence for components start, in case of resourcemanager HA mode enabled.(vbrodetskyi)
AMBARI-6501 Extend server-side stack definition to include metadata for additional configurations (including -env.sh files) for each service 2. (ababiichuk)
AMBARI-6503 Remove synchronous calls that load configs. (atkach)
AMBARI-6504. Incorrect errors count for YARN on step 7 of Install Wizard (HDP 2.0). (Max Shepel via akovalenko)
AMBARI-6500. Upgrade creates new configs version even if there is nothing to update (aonishuk)
AMBARI-6505. RM HA: Create Step1. (akovalenko)
AMBARI-6501 Extend server-side stack definition to include metadata for additional configurations (including -env.sh files) for each service 3. (ababiichuk)
Merge remote-tracking branch 'origin/trunk' into trunk
AMBARI-6450. Changes to YARN configs require restarting Oozie (aonishuk)
AMBARI-6507. Create mappers for models. (onechiporenko)
AMBARI-6488. Move global to env in stack definitions (aonishuk)
Merge remote-tracking branch 'origin/trunk' into trunk
AMBARI-6508. BE MM fixes (dlysnichenko)
AMBARI-6503 Remove synchronous calls that load configs, second patch. (atkach)