Support for concurrent builds in claim integration

[FIXED JENKINS-12661]
use z-index to enforce radiator view always on top
Fix scm developerConnection.

Also, fix my user ID.
Ignore work directory.
Show unstable builds as yellow.

This is based on pull requests 2 & 7.

Unstable builds both with and without failing tests appear as yellow.

[FIXED JENKINS-9772]
[FIXED JENKINS-10585]
[FIXED JENKINS-10614]
[FIXED JENKINS-10846]