Added additional information to install commands for different distributions (see perl bin/otrs.CheckModules.pl -h) for more information.

New install commands for the following distributions:
debian, ubuntu, centos, fedora, rhel, redhat, suse, win32 (with active state perl)

usage: otrs.CheckModules.pl [-list|all]

   otrs.CheckModules.pl
       Returns all required and optional packages of OTRS.

   otrs.CheckModules.pl -list
       Returns a install command with all required packages.

   otrs.CheckModules.pl -all
       Returns all required, optional and bundled packages of OTRS.