Merge pull request #62 from paulbovbel/indigo-devel

Fix issue #44
Merge pull request #64 from paulbovbel/indigo-devel

Add pointcloud_to_laserscan nodelet
Merge pull request #65 from paulbovbel/indigo-devel

Fix pointer assertion in pointcloud_to_laserscan
Update pcl_nodelets.xml

Included missing closing library tag.  This was causing the pcl/Filter nodelets below the missing nodelet tag to not be exported correctly.
Merge pull request #66 from MattDerry/indigo-devel

Included missing closing library tag
Merge remote-tracking branch 'upstream/indigo-devel' into indigo-devel