root: branding: integrate properly with apache proxy

Change-Id: I6b2f6bf069b14b47d8128d2739e965b33888c1c0
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>
userportal,webadmin: version in welcome page

- Fixed issue that caused myVersion to be displayed
instead of the actual version.
- Removed unused engineVersion.js file.

Change-Id: I4a0e28386e00b15e3f222e353965104be50d3938
Signed-off-by: Alexander Wels <awels@redhat.com>