Install X2Go Thin Client chroot (metapackage)

 X2Go is a server based computing environment with
    - session resuming
    - low bandwidth support
    - session broker support
    - client-side mass storage mounting support
    - client-side printing support
    - audio support
    - authentication by smartcard and USB stick
 .
 x2gothinclient-chroot:
 .
 This metapackage installs all X2Go TCE dependencies. This
 package is used in the X2Go Thin Client's chroot.