modalized filter dialog, offering inspector and course summary in student dashboard and calendar views. refs #3261
removed dead markup from educator calendar view.
fixed broken CSS styles for full-width button
dropped two-column display from views.
added CSS styles to support full-width calendar.
adjusted height on calendar container elements to eliminate horizontal scroll.
fixed invalid markup in page viewbar.
minor bugfix: added missing semicolon to HTML entity.
html bugfixes: changed duplicate element id, provided valid form action values.
removed obsolete second argument from ios.utilities.convertMimeTypeToCSSClassName()
BUGFIX: added output escaping to values and display content in  checkbox generator function. ditched broken/unneccessary id/for attributes from checkboxes and associated labels.
removed obsolete method argument.
Merge pull request #114 from ucsflibtopfstedt/feat3261

full width calendar view