sci-libs/Mutationpp: new package, add 1.0.5

Signed-off-by: Alessandro Barbieri <lssndrbarbieri@gmail.com>

sci-libs/Mutationpp/files/Mutationpp-1.0.5-system-libs.patch

@@ -0,0 +1,31 @@
+--- a/cmake/modules/FindCatch2.cmake
++++ b/cmake/modules/FindCatch2.cmake
+@@ -33,7 +33,6 @@
+     "/usr/include"
+     "$ENV{CPLUS_INCLUDE_PATH}"
+     "$ENV{CPATH}"
+-    "${CMAKE_SOURCE_DIR}/thirdparty/catch"
+     )
+ 
+ # First try to use the standard find_package that should be able to find the
+--- a/cmake/modules/FindEigen3.cmake
++++ b/cmake/modules/FindEigen3.cmake
+@@ -34,7 +34,6 @@
+     "/usr/include"
+     "$ENV{CPLUS_INCLUDE_PATH}"
+     "$ENV{CPATH}"
+-    "${CMAKE_SOURCE_DIR}/thirdparty/eigen"
+     )
+ 
+ # First try to use the standard find_package that should be able to find the
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -52,7 +52,7 @@
+ #######################################################################
+ 
+ if (SKBUILD)
+-    add_subdirectory(thirdparty/pybind11)
++    find_package(pybind11 REQUIRED)
+     add_subdirectory(interface/python)
+     set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+ endif()