fixing problem with malicious pdf or png export where all elements are positioned at the top left corner.
fixing problem with malicious pdf or png export where all elements are positioned at the top left corner.

git-svn-id: f03ca5c8a921532f32914eeaa11da0c4ec6e25a1@634 d672c736-503d-0410-a38a-9366997c882b

jhrcek/jbpm-designer,Hasys/jbpm-designer,droolsjbpm/jbpm-designer,jomarko/jbpm-designer,jvanzyl/wapama,xingguang2013/jbpm-designer,Hasys/jbpm-designer,ServiceMax-Engineering/wapama,xingguang2013/jbpm-designer,xingguang2013/jbpm-designer,jomarko/jbpm-designer,droolsjbpm/jbpm-designer,fanta-mnix/designer,Le-Andrej/OpenModel-Designer,porcelli-forks/jbpm-designer,porcelli-forks/jbpm-designer,tsurdilo/jbpm-designer,tsurdilo/jbpm-designer,MetSystem/jbpm-designer,jhrcek/jbpm-designer,MetSystem/jbpm-designer,MetSystem/jbpm-designer,samarjit/mywapama,GunioRobot/wapama,jhrcek/jbpm-designer,jvanzyl/wapama,samarjit/mywapama,GunioRobot/wapama,manstis/jbpm-designer,fanta-mnix/designer,xingguang2013/jbpm-designer,samarjit/mywapama,jomarko/jbpm-designer,jvanzyl/wapama,jomarko/jbpm-designer,ServiceMax-Engineering/wapama,manstis/jbpm-designer,manstis/jbpm-designer,porcelli-forks/jbpm-designer,porcelli-forks/jbpm-designer,GunioRobot/wapama,manstis/jbpm-designer,droolsjbpm/jbpm-designer,jhrcek/jbpm-designer,Hasys/jbpm-designer,fanta-mnix/designer,Le-Andrej/OpenModel-Designer,tsurdilo/jbpm-designer,ServiceMax-Engineering/wapama,droolsjbpm/jbpm-designer,Hasys/jbpm-designer,tsurdilo/jbpm-designer,Le-Andrej/OpenModel-Designer,MetSystem/jbpm-designer