Merge pull request #59 from theresaanna/master

Continuing to squash IE problems
making CSS transitions more snappy
Merge remote-tracking branch 'upstream/master'
Merge pull request #60 from ascott1/master

Making CSS Transitions More Snappy
fix Appendix heading padding to prevent nav bar overlap
place TOC slider beneath reg header
fixed positioning of TOC on scroll
Merge pull request #62 from ascott1/master

TOC Beneath Nav
breaking out require config
removing polyfill, using _.indexOf