added documentation and updated VTHs

updated dmaap and a1
added basic documentation for using otf-ui and basic installation guides
deleted duplicate image folder and update image path on documentation
added listExecution image
update package.json for frontend

Change-Id: I0dea40e44691341cf5f082a9315d0f6cb4731236
Signed-off-by: Chen, Jackie <jv246a@att.com>
Signed-off-by: Chen, Jackie (jv246a) <jv246a@att.com>
25 files changed