FirstApp: Edits appendix
FirstApp: Edits appendix

* Wrap overlong lines, follow markup conventions.
* Remove the installation of requirements, it is not longer necessary to
  install them because of using a installer script in the tutorial.

Change-Id: Ic9d3d6ff6e9f89173eea26b9da8cebdeea36fe04

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