add category support to throttle configuration

Change-Id: I9ca58ed9d7513b2223632a7173a229571a08a535
Reviewed-on: https://review.openstack.org/18059
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins
Add a jclouds wrapper.

Note: this does not take care of the initial configuration of jenkins
to use jclouds, it merely lets you create jobs from manually-configured
jclouds templates.

Change-Id: I981bd90fffb0077bf8f60c8701a157ebd8009000
Reviewed-on: https://review.openstack.org/17826
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: Clark Boylan <clark.boylan@gmail.com>
Tested-by: Jenkins
add support for sidebar-properties
scm svn: add support for includedRegions and viewvc-url
add support for Image Gallery publisher plugin
add support for HTML publisher plugin
add support for Priority Sorter plugin
Merge branch 'master' of ssh://github.com/h01ger/jenkins-job-builder