add global license file

Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de>
recipes-images: define extra dir for images

Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de>
recipes-extended: split out recipes which are not needed for compiling openjdk

Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de>
xmlpull: import package from oe-classic

* switch to ant build
* use diffrent download server, original website does not
  have the latest tarball anymore

Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de>