libchamplain(-gtk): Bumped to 0.7.1 to meat actual clutter

libchamplain(-gtk): Bumped to 0.7.1 to meat actual clutter

* builds separate packages for libchamplain and libchamplain-gtk
* libchamplain_0.2.8 removed because it tries to configure against
  clutter-cairo which is no more available
* libchamplain-gtk_0.2.8 removed because it configures against
  very old clutter revision which do not build for GLES environments

Signed-off-by: Andreas Mueller <schnitzeltony@gmx.de>
Acked-by: Koen Kooi <k-kooi@ti.com>
Signed-off-by: Koen Kooi <koen@openembedded.org>