added bounds to top of scrolling
added and styled table of contents
changed people icons and graph. styled title slides.
changed people icons and graph. styled title slides.
trying to get the chances stuff to layout nicely
finished formatting for benefits/risks chances pages
making icon styles nicer
css tweak
resolved merge conflicts
added descriptions to two treatment options/removed lorem ipsum
savin styles
Merge branch 'russell5' of https://github.com/juliat/copdda into russell5
Merge branch 'russell5' into gh-pages
fixed scrolling issues