>>571
gBrowser.reloadTab(aTarget);
を
aTarget.linkedBrowser.reloadWithFlags(nsIWebNavigation.LOAD_FLAGS_BYPASS_PROXY | nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE);

および
gBrowser.reloadAllTabs();
を
var l = gBrowser.mPanelContainer.childNodes.length;
for (var i = 0; i < l; i++) {
try {
gBrowser.getBrowserAtIndex(i).reloadWithFlags(nsIWebNavigation.LOAD_FLAGS_BYPASS_PROXY | nsIWebNavigation.LOAD_FLAGS_BYPASS_CACHE);
} catch (e) {
// ignore failure to reload so others will be reloaded
}
}