More appropriate runlevel start and stop priority in chkconfig init scripts
pipeline instance api
stage instance api
Merge pull request #742 from mdaliejaz/add_message_based_task_plugin_api

Added message based task plugin api
#718 - Fix failing tests.
Merge pull request #746 from arvindsv/fix_build_task_plugin_json_api_change

#718 - Fix failing tests.
#718 - Fix acceptance test failing due to wrong merge.

There was a small mistake in 29e3b456e507eabfed856a3212cc16f5ee96da55, where it did not correctly
merge changes from 118794c4b73c6cca50004d01dbb9ea59a742837d. Acceptance tests failed because of
this.
Merge pull request #747 from arvindsv/fix_for_acceptance_test_wrong_merge

#718 - Fix acceptance test failing due to wrong merge.
#718 - Missed a test. Fix build.
Merge pull request #748 from arvindsv/fix_plugin_test

#718 - Missed a test. Fix build.
#749 improve exception logging with stacktraces
#718 - Migrated Sample Curl Task plugin to message based Task.
#000 - Bumped up Descriptor Hash plugin's target-go-version.
Merge pull request #751 from mdaliejaz/add_message_based_task_plugin_api

#718 - Migrated Sample Curl Task plugin to message based Task.
#739 - Initial commit: feature toggle support.

Beginning of a feature toggle service.
#739 - Differentiate between available and user toggles.

Toggles available in the system, vs. those changed by users. They need to be
persisted at different places, and their values need to be merged, before
considering the final values of all the toggles.
#739 - Prepare for missing description in toggle.
#739 - Allow toggling a feature toggle.
#739 - Ignore internal field from toggle JSON.

Ignore field 'hasBeenChangedFromDefault' from being written to the user's
toggle file.
#739 - Cache the state of feature toggles.