Moved the example linear program and the wrapper in to a separate folder.

diff --git a/bin/example-lp b/bin/linear_programs/example-lp
similarity index 100%
rename from bin/example-lp
rename to bin/linear_programs/example-lp

diff --git a/bin/lp_solve_wrapper b/bin/linear_programs/lp_solve_wrapper
similarity index 100%
rename from bin/lp_solve_wrapper
rename to bin/linear_programs/lp_solve_wrapper