Basic man page, copied from SSHFS's man page.
Added version number to __init__.py
Added code to install man page and to get version number from __init__.py
Now gives an error if ~/MyTardis is already mounted and there is valid TTY.
Added basic support for command-line options, and implemented a loglevel option.
Merge pull request #7 from wettenhj/master

Command-line options support for mytardisfs, adding man page, adding __version__ to __init__.py