Add maintenance to RESTful web API documentation
Add maintenance to RESTful web API documentation

This adds [PUT|DELETE] v1/nodes/(node_uuid)/maintenance
to our RESTful web API documentation. It will show up at

http://docs.openstack.org/developer/ironic/webapi/v1.html#nodes

Change-Id: I42171e429ec72d270b51b246d7c8c6c38fed2e1e
Implements: blueprint maintenance-reason

bacaldwell/ironic,dims/ironic,Tehsmash/ironic,ionutbalutoiu/ironic,pshchelo/ironic,NaohiroTamura/ironic,rdo-management/ironic,dims/ironic,ionutbalutoiu/ironic,ramineni/myironic,devananda/ironic,naototty/vagrant-lxc-ironic,naototty/vagrant-lxc-ironic,pshchelo/ironic,SauloAislan/ironic,SauloAislan/ironic,Tan0/ironic,openstack/ironic,redhat-openstack/ironic,rackerlabs/ironic,openstack/ironic,hpproliant/ironic,naterh/ironic,bacaldwell/ironic,NaohiroTamura/ironic,supermari0/ironic