cont: fix(build): fix ubuntu 16.04 not to find x11vnc package (issue #141)
cont: fix(build): fix ubuntu 16.04 not to find x11vnc package (issue #141)

fcwu/docker-ubuntu-vnc-desktop,fcwu/docker-ubuntu-vnc-desktop,fcwu/docker-ubuntu-vnc-desktop,fcwu/docker-ubuntu-vnc-desktop