changes to pset2
fix typo on pset number
fix some pset phrasing
PS2 fixes; delete unused files
bug fix for PS2 naming
PS2 instructions fix
made collapable panels for assignment exercises so they are easier to read
fixed script relation-ships that dont exist
added modal to grading page
added section form to handle form filtering
added basic version of assignments table
added grades table
Merge branch 'pip' of https://github.com/nickdotreid/runestone into nickdotreid-pip
made deadlines work with the new sectioning system
Merge branch 'assignments' of https://github.com/nickdotreid/runestone into nickdotreid-assignments
fixed comment in ajax.py with instructions on deadline system
changed gradeassignment query to use DAL
added orderby query
added discinct clause to show only one user entry per result set, currently only last entry is shown because of how result calculated
added timestamp to orderby