new gaussian genration with inplace reduction
Merge remote-tracking branch 'alessandro/master'
update tests
Merge remote-tracking branch 'pierre/master'
update test
a couple of other tests
tests
many things not working
Merge remote branch 'pierre/master'

Conflicts:
	openCL/image.cl
	test/test_image.py
not better
untested kernel for doing the max-min reduction
still working on reductions still not working
WORKING ?
Finally parallel max-min reduction is working
include reduction in tests
Merge remote-tracking branch 'pierre/master'

Conflicts:
	test/crash.py
	test/test_image.py
Scale by octsize && boundaries for interp_keypoints
integrate new reduction
for the merge with Jerome
Merge remote-tracking branch 'jerome/master'

Conflicts:
	openCL/image.cl
	test/test_image.py