JENKINS-21010 Support display of parallel stages
Merge branch 'master' into JENKINS-21010
Merge branch 'master' into JENKINS-21010

Conflicts:
	src/main/webapp/pipe.js
No wrapping of rows
Merge branch 'master' into JENKINS-21010
Added exclude for jsplumb
JENKINS-21010 Stage connections only
Merge branch 'master' into JENKINS-21010

Conflicts:
	src/main/webapp/pipe.js
Merge branch 'master' into JENKINS-21010

Conflicts:
	src/main/webapp/pipe.js
gap fixes
Merge branch 'master' into JENKINS-21010

Conflicts:
	src/main/webapp/pipe-fullscreen.css
JENKINS-21010 Added fork join test and fixed connector visualization problem
JENKINS-21010 Added fork join test
JENKINS-21010 Fixed failing test case
Added .gradle into ignore
Updated README.md
Added jenkins.setQuietPeriod(0) to some tests to decrease test time
JENKINS-21549 Fixed bug for finding downstream projects if in folder.
Optimized imports
JENKINS-21533 Links are wrong in folders. Now it uses the full url to the job.