EHN: Add support to display fileman field detail

including input transform, cross-reference, screen, description etc.

Also add support to copy css file to destination automatically.

OSEHRA-Id: http://issues.osehra.org/browse/CGCT-7
Change-Id: Ie4220effe69f41653581a15cc6581863da8849c6
Merge "EHN: Add support to display fileman field detail"