[packaging] Fix wrong package name

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>
[patterns] Provide uxlaunch to get over an error in dependencies of mer patterns.

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>
[ux] provide uxlaunch.

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>
[ux] Add nemo-firstsession to ux pattern.

Signed-off-by: Marko Saukko <marko.saukko@jollamobile.com>