Merge branch 'master' of ssh://ppmcore.mpi-cbg.de/incardon/openfpm_devices

Makefile.am

src/Makefile.am

src/Memleak_check.hpp

src/memory/CudaMemory.cu

src/memory/CudaMemory.cuh

src/memory/ExtPreAlloc.hpp

src/memory/HeapMemory.hpp

src/memory/HeapMemory_unit_tests.hpp

src/memory/PreAllocHeapMemory.hpp

src/memory/PtrMemory.hpp

src/memory/memory.hpp