Delete FUTURE_RSL.md

Delete CUDF_CHEATSHEET.md

Update CUDF_CHEATSHEET.md

Create CUDF_CHEATSHEET.md

Create FUTURE_RSL.md

Create FOR_LOOP_CONVERSIONS.md

Update PERFORMANCE_INVESTIGATIONS.md

Create PERFORMANCE_INVESTIGATIONS.md

Rename stl_14.cpp to stl_14_reduce_accumulate.cpp

Rename stl_13.cpp to stl_13_unique_remove_if.cpp

Rename stl_12.cpp to stl_12_minmax_element.cpp

Rename stl_stable_partition_remove_if.cpp to stl_10_stable_partition_remove_if.cpp

Rename stl_11.cpp to stl_11_generate_n.cpp

Rename stl_10.cpp to stl_stable_partition_remove_if.cpp

Rename stl_09.cpp to stl_09_count_if.cpp