Fix missing config.condition.ua of Loader document
The config.condition object with up to four fields not three
Fix duplicated YUIDoc tag
Merge branch 'yui-doc' of git://github.com/okuryu/yui3 into live-docs
Build yui and loader. Doc comment changes only.
Merge branch 'live-docs' into dev-master

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