Add missing docs for maven-targets
Add missing docs for maven-targets

- Add 'setting-type' documentation
- Add 'global-setting-type' documentation

Change-Id: Id711aa575c9ee29a9e33fda9453a2b1bc989eaf5
Signed-off-by: Kien Ha <3e36ebd6a7c89ee7d9a20a5fbbffc571f107e566@gmail.com>

phinexus/jenkins-job-builder,twc-openstack/jenkins-job-builder,OSSystems/jenkins-job-builder,phinexus/jenkins-job-builder,puppetlabs/jenkins-job-builder,tamac-io/jenkins-job-builder,twc-openstack/jenkins-job-builder,tamac-io/jenkins-job-builder,dataxu/jenkins-job-builder,onshape/jenkins-job-builder,dataxu/jenkins-job-builder,OSSystems/jenkins-job-builder,wsoula/jenkins-job-builder,puppetlabs/jenkins-job-builder,rsig/jenkins-job-builder,onshape/jenkins-job-builder,OSSystems/jenkins-job-builder,rsig/jenkins-job-builder,wikimedia/integration-jenkins-job-builder,wsoula/jenkins-job-builder,rsig/jenkins-job-builder,phinexus/jenkins-job-builder,twc-openstack/jenkins-job-builder,rsig/jenkins-job-builder,gforcada/jenkins-job-builder,tamac-io/jenkins-job-builder,dataxu/jenkins-job-builder,phinexus/jenkins-job-builder,gforcada/jenkins-job-builder,wsoula/jenkins-job-builder,wikimedia/integration-jenkins-job-builder,gforcada/jenkins-job-builder,gforcada/jenkins-job-builder,wikimedia/integration-jenkins-job-builder,twc-openstack/jenkins-job-builder,dataxu/jenkins-job-builder,tamac-io/jenkins-job-builder,wikimedia/integration-jenkins-job-builder,puppetlabs/jenkins-job-builder,puppetlabs/jenkins-job-builder,OSSystems/jenkins-job-builder,onshape/jenkins-job-builder,phinexus/jenkins-job-builder,wsoula/jenkins-job-builder,gforcada/jenkins-job-builder,onshape/jenkins-job-builder,wikimedia/integration-jenkins-job-builder