Bump the version of the UAA to 1.4.0

Also bumped SECOAUTH to 1.2.0
Fix config path env var name in web.xml
[cfid-645] Refactor SCIM bootstrap

Rewrote the addUser method to make it easier to follow and
added extra logging.

For a user update it now just removes existing group memberships
before adding the new ones.
Merge branch 'release/1.4.0' into develop
Updated the uaa to version 1.4.1