refactor persistent header jQuery and adjust CSS animation
css animation imrpovements
speed up navigation animation by not animating the reg content. will try animating when loading less content at a time
TOC tweaks
Revert "TOC tweaks" as I inadvertantly added the .grunt directory

This reverts commit 2626412e194bab5d627604740c959e1239be0b8c.
Merge pull request #68 from ascott1/master

TOC/Persistent Nav Improvements
Merge pull request #71 from cmc333333/master

#61. Removes duplicated ids in the appendix table of contents
Move slide-down interpretations below child paragraphs. Also, make slide-down interpretations for appendices to match the rest of the reg.