Removed server_name property and updated version to 0.3.1

Removed server_name property that's no longer required. Actually the
`fqdn` value is used as server_name

Just updated version to 0.3.1
Added Makefile

Just added Makefile in order to simplify recipe packaging
Better explanation of zf version

ZF version is the skeleton version and not the ZF2 version, we are configuring
the skeleton not the zf2 library.
During module deploy update also the module list

After the deploy operation the module list is also updated.