Bug 45622 - Allow invoking of SkinAfterBottomScripts

This subtle change does exactly the same as before put also applies
the SkinAfterBottomScripts hook allowing extensions like Google Analytics
to be registered

Bug 45622

Change-Id: I29184aa66fa6ecb527aa384b670f193e54a63f81
Merge "Bug 45622 - Allow invoking of SkinAfterBottomScripts"