Merge pull request #2240 from bilke/gcc-partmesh

[CMake] Do not build partmesh on gcc 5.4.

Applications/Utils/ModelPreparation/PartitionMesh/CMakeLists.txt

+if(COMPILER_IS_GCC AND CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL "5.4")
+    message(WARNING "gcc 5.4 segfaults when compiling partmesh!\n"
+        "Disabled partmesh compilation!")
+    return()
+endif()
 add_executable(partmesh PartitionMesh.cpp Metis.cpp NodeWiseMeshPartitioner.cpp)
 
 set_target_properties(partmesh PROPERTIES FOLDER Utilities)