Send file names in UTF-8 always.

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@20153 4046b530-fbad-4e16-af16-ee11f0b55167
Changing log level back to "ERROR"

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@20154 4046b530-fbad-4e16-af16-ee11f0b55167
Use unicode API for file names, and utf-8 for transport.

git-svn-id: https://svn.qindel.com/repos/main/projects/qindel/QVD/src/trunk@20158 4046b530-fbad-4e16-af16-ee11f0b55167