Revert "recoded zendeskExtension"

This reverts commit f304543c7d4dc34b18343942df76254763ce92e2.
Revert "Revert "recoded zendeskExtension""

This reverts commit b131d2b25fa41508e249bd9b459a7381d67099e6.
created backup for current files 20140925 before porting to Mantz's framework

+ created backup and named it ZendeskExt - 20140925
+ renamed ZendeskExtension.js to extension.js
+ transferred the ZendeskExtension.js file to scripts\
+ removed the following images: SiFavicon.ico and SizmekIcon.png
+ recoded the image URLs to use extensionRoot