Backed out changeset 1222ad5d15b4 (bug 940907) for breaking l10n. a=backout

--HG--
rename : toolkit/locales/en-US/chrome/global/charsetMenu.dtd => browser/locales/en-US/chrome/browser/charsetMenu.dtd
rename : toolkit/locales/en-US/chrome/global/charsetMenu.properties => browser/locales/en-US/chrome/browser/charsetMenu.properties
rename : toolkit/modules/CharsetMenu.jsm => browser/modules/CharsetMenu.jsm