reinstate profile tab per type

- reverted removal of front/profile.php and renamed it to proper
  front/profile.form.php (which is retrieved from getFormUrl() method).
- hack css a bit about matrix display (due to unconventional use of
  displayRightChoicesMatrix())
- adapt some of forgotten method to 0.85 rights management.

[IMPORTANT]: the processing of POST variables in profile.form.php is
still WIP.