Remove extra spaces from links

The GitHub markdown parser works with a space between the [] and the () for links but most other Markdown parsers don't
start documenting IRC server setup process
continue documenting IRC server setup
update FAQ to point to correct GH repo
start documenting shell server setup
	Prettify IRC docs.
	Clarify distinction between IRC and shell servers.
	Prettify shell server building docs.
	Sorry! `` looks awful in GitHub headers. Removed.