Add support for mixed content

[drakkan]

Trying to generate code using this wsdl:

http://www.axis.com/vapix/ws/event1/EventService.wsdl

give the following error:

kdwsdl2cpp -o wsdl_axiseventservice.h EventService.wsdl 
importing schema at http://docs.oasis-open.org/wsn/t-1.xsd
Downloading 'http://docs.oasis-open.org/wsn/t-1.xsd'
Download successful
importing schema at http://docs.oasis-open.org/wsn/b-2.xsd
Downloading 'http://docs.oasis-open.org/wsn/b-2.xsd'
Download successful
importing schema at http://www.w3.org/2005/08/addressing/ws-addr.xsd
Downloading 'http://www.w3.org/2005/08/addressing/ws-addr.xsd'
Download successful
importing schema at http://docs.oasis-open.org/wsrf/bf-2.xsd
Downloading 'http://docs.oasis-open.org/wsrf/bf-2.xsd'
Download successful
importing schema at http://www.w3.org/2001/xml.xsd
Downloading 'http://www.w3.org/2001/xml.xsd'
Download successful
<complexContent>: No support for mixed=true