yui/yui3 #601 issue
#601 - fix content replacement
#601 - replace Y.each with Y.Array.each
#601 - make the better search of existing buttons container at _getButtonContainer
#601 - replace  with
#601 - Create unit tests for nested widget rendering inside renderUI
#601 - Create unit test for getStdModNode inside renderUI
update package.json
remove yql module
update loader
\!comment some tests of loader module
build 3.13.0
merge https://github.com/yui/yui3/pull/602
rebuild after merge
change tests cause of deleting of yql module; rebuild
Merge branch 'bg-develop'

Conflicts:
	build/anim-base/anim-base-coverage.js
	build/datatable-body/datatable-body-coverage.js
	build/datatable-body/datatable-body-min.js
	build/dom-base/dom-base-coverage.js
	build/dom-base/dom-base-min.js
	build/event-base/event-base-coverage.js
	build/event-base/event-base-min.js
	build/file-html5/file-html5-coverage.js
	build/file-html5/file-html5-min.js
	build/loader-base/loader-base-coverage.js
	build/selector-native/selector-native-coverage.js
	build/transition/transition-coverage.js
	build/transition/transition-min.js
	build/uploader-html5/uploader-html5-coverage.js
	build/uploader-html5/uploader-html5-min.js
	build/yui-base/yui-base-coverage.js
	build/yui-base/yui-base-min.js
	build/yui-core/yui-core-coverage.js
	build/yui-core/yui-core-min.js
	build/yui-nodejs/yui-nodejs-coverage.js
	build/yui-nodejs/yui-nodejs-min.js
	build/yui/yui-coverage.js
	build/yui/yui-min.js
	package.json
	src/yql/HISTORY.md