Merge branch 'magro11-master'

Merge pull request PointCloudLibrary#1508 from SergioRAgostinho/sift_…

…viewpoint

Preserve viewpoint on sift computation

Merge branch 'master' into release

Merge branch 'master' into release

Revert "Including GRSD a global radius-based surface descriptor"

This reverts commit 6854ddb.

Conflicts:
	features/include/pcl/features/grsd.h
	features/include/pcl/features/impl/grsd.hpp
	test/features/test_grsd_estimation.cpp
	test/features/test_rsd_estimation.cpp

Fix compilation in recognition

Merge branch 'remove-random-walker' of http://github.com/taketwo/pcl …

…into HEAD

New Version 1.7.1

Merge remote-tracking branch 'origin/master' into pcl-1.7.0

Install common headers again.