Method : ReadXMLControlProperties
Method to read the properties of each control or bean
Method identifies the element "ControlProperties" tag in XML file.
If a page gets deleted, all the binding info related to any bean in that
page (every binding to beans in that page as source or as target) need to
be deleted also.
NOTE: THis is because damn TCL does not support threads on UNIX and hence
the slightly bigger language comes to the rescue once again :-)
NOTE: Please use this only in TCL mode
Execute Run either from start or current task on the main thread.