matvecmult's opencl kernel is from NVIDIA with odd license.

--- a/examples/Makefile.am.orig	2012-01-25 14:55:15.650758414 +0100
+++ b/examples/Makefile.am	2012-01-25 14:55:18.718696978 +0100
@@ -702,10 +702,12 @@
 # matVecMult example #
 ######################
 
+if FALSE
 if STARPU_USE_OPENCL
 nobase_STARPU_OPENCL_DATA_DATA += \
 	matvecmult/matvecmult_kernel.cl
 endif
+endif
 
 #######################
 # dot_product example #
--- a/examples/Makefile.am.orig	2013-09-30 17:36:46.642186539 +0200
+++ b/examples/Makefile.am	2013-09-30 17:37:14.025441442 +0200
@@ -135,11 +135,6 @@
 	filters/custom_mf/custom_interface.h    \
 	filters/custom_mf/custom_types.h	\
 	interface/complex_interface.h		\
-	pi/pi.h					\
-	pi/SobolQRNG/sobol.h			\
-	pi/SobolQRNG/sobol_gold.h		\
-	pi/SobolQRNG/sobol_gpu.h		\
-	pi/SobolQRNG/sobol_primitives.h         \
 	reductions/dot_product.h
 
 #####################################
@@ -805,6 +805,7 @@
 # Pi #
 ######
 
+if FALSE
 check_PROGRAMS +=				\
 	pi/pi					\
 	pi/pi_redux
@@ -833,6 +834,7 @@
 pi_pi_redux_LDADD =				\
 	$(STARPU_CURAND_LDFLAGS)
 endif
+endif
 
 showcheck:
 	-cat $(TEST_LOGS) /dev/null
