Fix doc bugs -
Fix doc bugs -

bug 1034021 trailing off sentence in overview
bug 1034772 included typo
bug 1034462 scheduler typo
bug 1017691 change in name of root wrap config option

Change-Id: Ia7ecf12f39771c49915b927ea3f0de89c9f28327

dreamhost/api-site,openstack/api-site,DonSchenck/api-site,DonSchenck/api-site,Tesora/tesora-api-site,dreamhost/api-site,DonSchenck/api-site,DonSchenck/api-site,rackerlabs/api-site,Tesora/tesora-api-site,dreamhost/api-site,rackerlabs/api-site,Tesora/tesora-api-site,rackerlabs/api-site,dreamhost/api-site,Tesora/tesora-api-site,openstack/api-site,Tesora/tesora-api-site,rackerlabs/api-site,DonSchenck/api-site,JioCloud/api-site,openstack/api-site,dreamhost/api-site,varunarya10/api-site,varunarya10/api-site,openstack/api-site,Tesora/tesora-api-site,Tesora/tesora-api-site,dreamhost/api-site,dreamhost/api-site