explicitly including numpy include directory into the setup
Merge pull request #27 from larsmans/fixes

Minor fixes
Merge pull request #25 from heartvalve/setup_fix

including numpy include directory into the setup
Merge branch 'multi-version' of git://github.com/larsmans/python-pcl into larsmans-multi-version

Conflicts:
	setup.py
Merge branch 'larsmans-multi-version'