[duplicityBackup] Create a Makefile to install dependencies

[C-Duv]

The duplicityBackup needs various Perl modules which are (almost all) described in the source code header documentation.

It would be convenient to create a Makefile that installs the required dependencies according to current OS.

[C-Duv]

Debian dependencies:

• libexperimental-perl
• libhash-merge-simple-perl
• libdatetime-perl libtimedate-perl
• libfile-chmod-perl
• liburi-perl
• libcapture-tiny-perl
• libyaml-libyaml-perl
• libswitch-perl
• ncftp

[C-Duv]

Also needed:

• liblog-message-simple-perl