recipes-qt: Add qt-helloworld example.

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
gtk-helloworld: Add recipe.

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
qtx11-helloworld: Add recipe.

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
gtk3-helloworld: Add example recipe for weston.

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
python-helloworld: Add setuptools recipe.

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
oracle-java: Add headless and headful client recipes.

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>