VS2013 fix
Merge pull request #806 from SunBlack/master

VS2013 fix
Typo in FindQVTK.cmake
Merge pull request #808 from fran6co/patch-7

Typo in FindQVTK.cmake
Fix grammatical non-sense
Merge pull request #809 from VictorLamoine/sandbox

Fix grammatical non-sense
Fixes #810.
Merge pull request #811 from mohawkjohn/vector_erase_end

Fixes undefined behavior from erasing an end iterator
Fixing issue 812
Merge pull request #813 from QuentinDeroubax/FixingIssue812

Fixes #812
Including GRSD a global radius-based surface descriptor

GRSD is developed by Zoltan-Marton, this was a old patch as part of his branch being included into the trunk
Adding test files for RSD and GRSD.

style guide issues resolved
Add obj2pcd tool
Corrected placement of typedefs used by macros, and brought them to use in all macros
Merge pull request #815 from andersgb1/point_types_fix

Avoid the use of undefined typedefs
Merge pull request #816 from VictorLamoine/master

Add obj2pcd tool
Error when compiling for VTK 6
Merge pull request #817 from fran6co/patch-8

Error when compiling for VTK 6
Merge pull request #790 from desinghkar/grsd_request

Including GRSD a global radius-based surface descriptor
fixed a bug of the Ptr typdef in search::KdTree
Merge pull request #820 from prclibo/master

fixed a bug of the Ptr typdef in search::KdTree