Small bug fixes.
Major changes in DiffGenerator: safe-breaks info depends on request/response direction.It appear only if the comparison is from the WSDL.
DiffGenerator updated, small bug fixes, diff descriptions improved.
Bug fix in safe/breaks info.
Small text corrections.
Merge branch 'master' into ixorbe-stable
#194 Avoiding wrong exchange matching in WsdlDiffGenerator.comparePortTypes