committing csv data from swirl 1
starting integration
Merge remote-tracking branch 'bill/master' into swirl1_incorp
updated version of swirl1.R with saveprogress stub and  initialization as method
wrote script to add class column to csv data files
Merge branch 'master' into swirl1_incorp
changed fixmodule to put in new column headings
created new data file (temporarily) to check out the changes
Merge branch 'master' into swirl1_incorp
begin coding real initSwirl, saveProgress
minor
userProgress.R in progress
put in text and text_order classes and tests
semi-operational user progress save/restore;
a couple of bugs to fix.
waitUser.figure
fixed problems with text/word questions (single, many,order)
added new column of answertests
minor fixes
fixed initSwirl.default to allow course names other than "4Daphne"
Merge branch 'master' into feat.UserProgress
range and exact tests, starting to work on swirl1cmds
starting to work on swirl1cmd