Tweak abstract wording.

	* Improve general flow and text arrangement.
	* Prefix some services with 'The'.
	* Expand RHEL to Red Hat Enterprise Linux.

	* Patchset/amend, niceness failed, removed trailing whitespace.

Change-Id: Ic8956282a8b3eddfad0e47296954058bbf457662
Use Havana repo, not Grizzly.

Change-Id: Ia8eb4f02b77f4a47996d10b00deb38f38540633d
Merge "Use Havana repo, not Grizzly."
Merge "Tweak abstract wording."