clarify calendar, fix naming & 1 event per class

[natebrennand]

Links are to guides on how to add to both gcal and ical.

inputted names are now maintained on the downloaded calendar

now looks like this:

[schlosser]

It works for me, but all of the locations are "undefined RTBA":

[natebrennand]

@danrschlosser, issue resolved.

Also added 1 event per class. Works for me on gcal, can someone test on iCal?

[schlosser]

Tested. Awesome!