Original commit message from CVS:
* check/gst-libs/controller.c: (GST_START_TEST),
(gst_controller_suite):
* libs/gst/controller/gstcontroller.c:
(gst_controlled_property_set_interpolation_mode):
* libs/gst/controller/gstcontroller.h:
* libs/gst/controller/gstinterpolation.c:
* testsuite/controller/.cvsignore:
* testsuite/controller/Makefile.am:
* testsuite/controller/interpolator.c:
merge controller testsuites
fix broken tests
remove mem-chunk from docs