make loader functions h3

Several bulleted lists appear directly before custom loader functions, making it difficult to distinguish when the list is ending and the next header is beginning. Making them ### headers removes this confusion
typo "precedence"
fix typo
Merge pull request #1 from knockout/gh-pages-3.2.0

Gh pages 3.2.0
Merge branch 'gh-pages-3.2.0' of github.com:tyrsius/knockout into gh-pages-3.2.0