Add EOS basics link.
Remove reference to manual eventually replacing EOS documentation.
Change wording on rules page.
Remove the run-on.
Change wording from encourage to allow.  Change wording on sentences for better flow.
Propose adding of section on firewall timeouts and GVSU VPN usage.
Merge pull request #3 from seanfisk/mick/link-to-eos-basics

Add EOS basics link.