Initial work:

Initial work:
* Restarted changelog from scratch
* Moved to experimental
* Moved to cdbs
* Changed maintainers according to the new team
* Changed installation details, moved all files to /var/lib/roundcube and made symlinks from and to this place.
  This way, eveyrthing is contained in at a unique place
* Changed apache.conf accordingly, and commented the alias section since it can be an issue with servers
  running multiple sites
* Corrected lintian/linda warnings
* Corrected dependencies: php5-myqli does not exist any more..