AUI-944 Form validator requires the escape module
AUI-944 Build
Release 1.5.3
AUI-970 Update lib/yui3 to patched-v3.4.1
AUI-970 Regenerate
AUI-970 Regenerate build-modules
AUI-977 - iframe-resize does not show x-overflow when it is needed in permissions window
AUI-977 - Build
Merge branch 'pr-292' into 1.5.x
AUI-970 Regenerate build-modules