Added a bunch of new files, edited index.html in wednesday-experiment to use radio buttons.
added comments for radio button sample slide
changed some text
added skeletons of new slides; fixed some aspects of sliders
added new css id for tabbing radio buttons, added a new slide to index.html
added new css id for tabbing in text, applied change to index.html
tweaked settings so 7 options are displayed/formatted well
added a bunch of new slides, have some text boxes for completing explanations
created new html file for my pilot expt
modified css to make margins slightly larger in paragraph
added figure for expt, did some formatting things
changed around figure image
changed figure, added css ids for different specific colors
added comprehension questions
Merge pull request #1 from wbushong/master

add wednesday's experiment!