Restyle globaleaks init script.

* More informative Description, Short-Description
* Proper init info block:  <https://wiki.debian.org/LSBInitScripts> :
"""
On the other hand, all lines inside the block shall be of the form
 #{keyword}: arg1 [arg2...]
"""
Fix errors running virtualbox script.

We don't really need all this virtualbox-ose hack, so I'm just removing them.
Fix lintian warning "debian-changelog-has-wrong-weekday".

Similarly to 676300e5474e, there was another wrong release weekday.