- don't use TUrl to strip off "file:" protocol string from file names
  as this was also striping off everything after # and ? tokens, making
  it impossible to e.g. stat local file names like .#bla#.
- make copy ctor and assignment operator private and not implemented.


git-svn-id: http://root.cern.ch/svn/root/trunk@16198 27541ba8-7e3a-0410-8455-c3a389f83636