- Implements new format "Copyright 2011-xxxx Twitter, Inc.", which resonates well with our History page and more accurately reflects the copyright status of the repo
- grunt dist to update all the files

if affixed top add scrollTop to it position.top
calculate and cache pinnedoffset independent of scrolling for initial load

fixes #10205 Scrollspy Doesn't Support Chinese ID Targets  http://mathiasbynens.be/notes/html5-id-class

* Adds nav link to sidebar for contextual classes
* Refactors to use prefixed classes, like .list-group-item-info, instead of chained classes
* Adds default and linked variations to example in docs

reverted changes in commit 96109d31 which seemed to break conditional classes in striped tables (ignoring the comment above that the previous rules were needed for just this purpose)

fixes issue #11728