- Add auto-revert mode (tail -f) for viewing .log files
- Added tramp function 'sudo-edit-current-file' to remotely reopen files
  with root priviledges.
- Added Header warning when editing files as root. (Both on local and
  remote host) - inspired by http://www.emacswiki.org/emacs/TrampMode#toc13
- web mode
- global linum mode
- some minor tweaks