Upperquad bug fixes 2

updates

#268
copy now breaks at correct position

#266
increased h3 font-size

#265
To enable the sliding animation, add the attribute ```data-slide="true"``` to ```<a>```

#262
nav items with dropdown have an indicator (arrow down)

#260
live version has no icon.

#257
added dt and dd to the p rule in main stylesheet to make those items 15px. added corrected properties for ul and li items. 

#258
TOC is centered

#203
added spacing between each subnav item.

#202
removed underline from sidenav second-heading

#196
updated subnav + content div types

#193
Twitter bootstrap's default behavior for dropdown nav

#178
TOC is centered at top

#154
TOC is centered at top