Remove trailing spaces
YUI and Loader build for latest Gallery build
Merge branch 'live-docs' into dev-master

Conflicts:
	build/loader-base/loader-base-coverage.js

Resolved merge conflict. Add build file updates after to match the build directory after running
a build on src.
Update meta for 3.17.3-pre
Populate HISTORY files
Merge branch 'dev-master' into live-docs