Add documentation for new Felix related configuration options
Add documentation for new Felix related configuration options

caseydavenport/calico,bcreane/calico,heschlie/calico,gunjan5/calico,caseydavenport/calico,bcreane/calico,bcreane/calico,heschlie/calico,tomdee/calico,gunjan5/calico,bcreane/calico,gunjan5/calico,caseydavenport/calico,bcreane/calico,gunjan5/calico,caseydavenport/calico,gunjan5/calico,tomdee/calico,heschlie/calico,caseydavenport/calico,tomdee/calico,heschlie/calico,bcreane/calico,gunjan5/calico,heschlie/calico,tomdee/calico,heschlie/calico,caseydavenport/calico,tomdee/calico