Saves a file to the local file system
Demands the user for the path to the file that should be saved and saves this file
at a local location demanded by the user.
Sets the WebdavResource pointer to the new directory given by the user input
If a wrong directory is specified the system will exit, this should be changed to just give
an error message
This class tests the Slide WebDAV client library found at jakarta.apache.org/slide
It connects to a hard-coded location at the DFS filesystem at CERN, and performs
disk operations like creating file, showing directories and files, saving files
to the local filesystem ++