added assignment/student page which will house grades for all assignments
added grade link to index
added grade controller
added grade query to assignment page
moved student view to index and index to admin
added list of students to admin page
added view for index.html
made grader assign grade in a smarter fashion
added possible points
added last action to student index page
made grade assignments collapse
fancied up assignments interface
made update page nicer
prettied up admin.html
added problems to assignments
Merge pull request #28 from nickdotreid/pip

Revisions to functions/functions2.rst
minor fixes to functions2
added link in week5 assignments
added solution for old McDonald Problem
set up solution for problem number 2