Add osl_pluto_unroll extension
Add pluto_unroll extension documentation
Add .scop test for pluto_unroll extension
Update tests/Makefile.am and CMakeLists.txt for tests
Apply coding style in tests
Add osl_int_get_d function
Merge pull request #18 from Lnc/osl_pluto_unroll_final

Add osl_pluto_unroll extension