Update API to trunk + FIX CDATA in XML-Event

Update Timeline-API to latest trunk code and fixed sources.js to support
CDATA-Text in XML-Event-Code.

//            if (node.firstChild != null && node.firstChild.nodeType ==
3) {
//                description = node.firstChild.nodeValue;
//            }
// fix read CDATA from XML-Events
if (node.firstChild != null) {
for (var i = 0; i < node.childNodes.length; i++) {
if (node.childNodes[i].nodeType == 3 || node.childNodes[i].nodeType ==
4) {
description += node.childNodes[i].nodeValue;
}
}
}