Merge branch 'FindMatlab-9.1' into release

Modules/FindMatlab.cmake

@@ -225,6 +225,7 @@ if(NOT MATLAB_ADDITIONAL_VERSIONS)
 endif()
 
 set(MATLAB_VERSIONS_MAPPING
+  "R2016b=9.1"
   "R2016a=9.0"
   "R2015b=8.6"
   "R2015a=8.5"