instead of detecting an ima suffix and setting the file format manually to dcm I have added code to allow the use of a generic prefix to specify the file format (this required stripping off the memory: prefix)
instead of detecting an ima suffix and setting the file format manually to dcm I have added code to allow the use of a generic prefix to specify the file format (this required stripping off the memory: prefix)

git-svn-id: 4705079bc6b8aadf675e3696f5c015a6aa4916e3@5379 3c1deb5b-d424-0410-962d-aba41a686d42

hsorby/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc