Release of v1.5.0
Main changes:
- New bundled versions: SuiteSparse 5.4.0 + Metis 5.1.0
- fix windows shared install using CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS
- Use C++11 by default.
- Allow user to override install prefix
- Deletion of FindSuiteSparse.cmake module. All is not based on "modern" CMake exported targets. Refer to example CMake files here.