patterns-lxde-20170319-bp155.1.4

- Install pulseaudio + pavucontrol by default.
  Other desktops do the same, and this avoids temporary ALSA breakage
  when pulseaudio is installed in the running system (boo#1193695).

- Use macros over old $RPM shell vars.
  Change to a sh loop for creating minimally different text files.

- Create new package from old unified patterns package