Merge branch 'tools/wrapper/fortran' into 'master'

tests/CMakeLists.txt

tools/gen_wrappers.py

tools/wrappers/__init__.py

tools/wrappers/wrap_fortran.py

tools/wrappers/wrap_julia.py

tools/wrappers/wrap_python.py

wrappers/fortran90/CMakeLists.txt

wrappers/fortran90/examples/spmf_driver.F90

wrappers/fortran90/examples/spmf_user.F90

wrappers/fortran90/src/spm_f2c.c

wrappers/fortran90/src/spmf.f90

wrappers/fortran90/src/spmf_bindings.f90

wrappers/fortran90/src/spmf_enums.F90

wrappers/fortran90/src/spmf_functions.f90

wrappers/fortran90/src/spmf_interfaces.f90

wrappers/julia/spm/src/spm.jl

wrappers/python/spm/__spm__.py

wrappers/python/spm/enum.py.in