Updated fix for relatesto, and added logic to messageId, and action.
Updates for codereview comments.
CONN-401: using null instead of StringUtils.Empty.
Merge pull request #475 from msweaver/CONN-401

Conn 401
CONN-402: Fixes and unit tests for empty but present entity assertion releateToList.
Merge pull request #476 from msweaver/CONN-402

CONN-402: Fixes and unit tests for empty but present entity assertion re...