Update functions/findProprietaryStyle/rendition1.js

The while loop improves this functions' performance:
http://jsperf.com/while-over-for#comments
Merge pull request #13 from JoeChapman/patch-1

Update functions/findProprietaryStyle/rendition1.js
dependency for jslint/builder
Merge pull request #208 from adamsilver/master

Merge from downstream pull request