HTML's, .py's, navbar.inc

course_listing.html -> </head> tag, now is in its right place...
profile.html -> some errors fixed, navbar prerendered through
"qubal_prerender.py" lib and <ul> tag included to display the <li> tags
properly.
views.py -> New way to prerender html blocks and pass it through render.
navbar.inc -> The HTML Navbar is here to be prerendered for any page
which needs it.
qubal_prerender.py -> New prerender lib (it only has the Navbar def
right now)