luna-sysmgr, webappmanager: Add qmake-webos-native dependency

* webos_qmake expects qmake-palm available

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
keyboard-efigs: Add missing dependencies

* qmake-webos-native for webos_qmake
* libpbnjson for ../include/JSONUtils.h:23:23:
  fatal error: pbnjson.hpp: No such file or directory

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
pulseaudio: Add bbappend to disable gtk/x11

* we don't want gtk/libx11/.. to be pulled to image or even build even
  when we have x11 in DISTRO_FEATURES
* removing x11 from DISTRO_FEATURES is too strict as we plan to support
  some x11 apps later

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
qt4-webos: drop libxext dependency

* we shouldn't need this now without x11 in DISTRO_FEATURES

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
webos-image.bbclass: inherit core-image and remove boot_dd_append work around

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
webos.conf: Remove argp and x11 from default DISTRO_FEATURES

* argp is not used anymore
* x11 in pulseaudio pulls gtk+, libx11, libxfixses, ...

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>