YUI and Loader build for latest Gallery build.
Revert "YUI and Loader build for latest Gallery build."

This reverts commit cbdcae8ae074c1bd8fdce2e5349224d8a6acb726.
YUI and Loader build for latest Gallery build.
Update coverage files with latest yogi build.
Normalize NPCG in a regex route's matches to empty strings for undefined

Fixes #1076
Update Router's HISTORY for coercing NPCG `undefined`s to empty strings
Build Router