Google Custom Search for Makehub

Huh. You just made me build the most complicated custom search engine in my career so far:) 

The standalone engine (for gists) is here:
https://www.google.com/cse/publicurl?cx=002434031809215344527:933xnku0cqq

And demo implemented for makehub: https://makehub-search-c9-devnook.c9.io/#/search