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
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