Merge pull request Netflix#1738 from Netflix/fix_reset_callbacks_api

fix reset callbacks api

Fixed bug in gulp file, that results in docker build failures. (Netfl…

…ix#1733)

* Fixed bug in gulp file, that results in docker build failures.

* Resetting lock file to resolve to npm registry.

Merge pull request Netflix#1724 from Netflix/fix_startup

Add elasticsearch5 dependencies back to fix startup

Merge pull request Netflix#1651 from Netflix/jun/inline-subworkflow

support inline subworkflow definition

Merge pull request Netflix#1675 from Netflix/index_management_es6

Add configurations to enable external index management

add configuration to enable external index management in es6

add configuration to enable external index management in es6

add configuration to enable external index management in es6

Fix the issue with ParametersUtils where input map is mutated

Fix the issue with ParametersUtils where input map is mutated