Fixed file_force module link on drupal.org
Adult referrer added
Corrected code comments
Deleted extra spaces after lines
Extend known MIME types
Some fixes in configuration files:
  after upgrade from D6 to D7 uploaded in D6 images stay in there old path;
  added htc extention to static served files;
  restrict direct access to pot files;
  disallow access to .bzr, .git, .hg, .svn, .cvs directories;
  some other comments correction.
Merge pull request #108 from iryston/D7

Fixed file_force module link on drupal.org in README.md and some other changes