fix #382

Always initialize mls_results_.
Add display MeshPolygon feature
Add: load PolygonMesh and load TextureMesh methods
Fix: issue #393 by adding a white space
Fix: handle cases when only face vertices are listed
Add: ability to add/remove several coordinate systems

This was a requested feature on the mailing list
Fixed a vector alignment bug occuring on 32bits systems
Fix misuses of std::numeric_limits<T>::min.
Merge pull request #404 from romainbregier/master

Fixed a vector alignment bug occuring on 32bits systems
Merge pull request #398 from batakon/patch-2

fix #382
Merge pull request #389 from hovren/cmdline_intrinsics

Kinfu: Add commandline options for depth intrinsics
Merge pull request #390 from jpapon/color_coherence_fix

Changed the Hue distance calculation in tracking HSVColorCoherence
Merge pull request #383 from yangyanli/fix_pclexports

Several Small Fixes
Merge pull request #299 from jpgr87/master

Allow pcl to be built against a system-wide installed metslib
Merge pull request #344 from sdmiller/adding_joint_icp

Feature: JointIterativeClosestPoint
Merge pull request #352 from rjcharron/master

Texture mapping supports more precise camera model.
Merge pull request #400 from nizar-sallem/display_mesh_feature

Display mesh feature
Merge pull request #384 from jakobwilm/visualizer-fixes

Changed vtkRenderer::Render() to vtkRenderWindow::Render()
Merge pull request #386 from nizar-sallem/various_fixes

Various fixes
Merge pull request #319 from GooseSergey/master

Code, tests and tutorials for RoPS and MomentOfInertia features