Skip MediaTypeCollections in doc browser index.
Skip MediaTypeCollections in doc browser index.

Signed-off-by: Dane Jensen <7caf4fada912172ae38c6555f73b0fcf5f41c218@rightscale.com>

rightscale/praxis,tony-spataro-rs/praxis,blanquer/praxis,rightscale/praxis,gampleman/praxis,Thann/praxis,rightscale/praxis,justingaylor/praxis,Thann/praxis,justingaylor/praxis,Thann/praxis,smcgivern/praxis,praxis/praxis,gampleman/praxis,gampleman/praxis,blanquer/praxis,tony-spataro-rs/praxis,tony-spataro-rs/praxis,smcgivern/praxis,smcgivern/praxis