ciao-launcher: Fix docker dependency in ubuntu
ciao-launcher: Fix docker dependency in ubuntu

The 'docker' package is being installed as a dependency to
get docker insalled in Ubuntu, however, the package needed
is 'docker-engine'

From apt-cache search docker
docker - System tray for KDE3/GNOME2 docklet applications
docker-engine - Docker: the open-source application container engine

Fixes #508

Signed-off-by: Alberto Murillo <3e496b67a60a13551c6a151e0a6a52025fbd95e6@intel.com>

obedmr/ciao,mrkz/ciao,ciao-project/ciao,kaccardi/ciao,mrkz/ciao,obedmr/ciao,wcwxyz/ciao,ciao-project/ciao,mrkz/ciao,matthewrsj/ciao,tpepper/ciao,01org/ciao,leoswaldo/ciao,erick0z/ciao,leoswaldo/ciao,01org/ciao,mcastelino/ciao,jorgevgut/ciao,mcastelino/ciao,erick0z/ciao,jorgevgut/ciao,obedmr/ciao,wcwxyz/ciao,matthewrsj/ciao,rbradford/ciao,rbradford/ciao,mcastelino/ciao,leoswaldo/ciao,matthewrsj/ciao,wcwxyz/ciao,markdryan/ciao,tpepper/ciao,markdryan/ciao,kaccardi/ciao,erick0z/ciao,jorgevgut/ciao,tpepper/ciao