- Removed out-of-place one-liners that remained at the top of some of the
pages.
- Fixed formatting of an "important" note in cmake_build.
- Add table of contents for consistency to the contributing page.
This is a good start, but more could be done to make it even more useful for
developers.
* Updated nav_template to include contributing
* Removed contributing from intro
* Fixed RST compiler error in hedits
* Renamed "OpenSubdiv" header in nav to "OpenSubdiv User Guide"