spec.md fixed, in line with #1 requirements.
sys.md now in line with #1.
httpServer.md in line with requirements, explains more about req.
Merged in isaacreidguest/httpservermd-in-line-with-requirements-e-1391254930347 (pull request #1)

httpServer.md in line with requirements, explains more about req.
spec.md - "backticked".