Fix spelling of commandline

 On branch master

	modified:   docs/current/command_line.md
Changed LIB.HTTP to LIB.http
Use request.promise instead of requeset.promise()

	modified:   lib/http.js
	modified:   test/http_test.js
Start of HTTP lib docs.

Need to figure out what is going on with the request module and
automatic redirects.

	new file:   docs/current/making_http_requests.md