Debugging
Orientation for CPU -- OK
Debugging orientation assignment
CPU implementation of Orientation and Descriptors OK -- several small differences between descriptors
392/392 SIFT match for CPU and GPU
Testing matching on GPU
update plan.py for shrink kernel
Updated kernel with flipped WG dimensions
Updated kernel with flipped WG dimensions
Merge remote branch 'pierre/master'

Conflicts:
	openCL/algebra.cl
	openCL/keypoints.cl
	sift-src/plan.py
	test/crash.py
	test/profile.py
	test/test_algebra.py