Support tags in task filter
Support tags in task filter

Add support for specifying a tag as a worklist task filter criterion.
This will return all tasks for all stories with the specified tag.

Change-Id: I3b0ca22d243949ef0692c537b9ff0e8068abfdb5

ColdrickSotK/storyboard,ColdrickSotK/storyboard,ColdrickSotK/storyboard