Round 1 of rodinia schedule optimization

hercules_cg/src/cpu.rs

hercules_cg/src/gpu.rs

hercules_cg/src/rt.rs

hercules_opt/src/editor.rs

hercules_opt/src/inline.rs

juno_samples/rodinia/backprop/src/backprop.jn

juno_samples/rodinia/backprop/src/cpu.sch

juno_samples/rodinia/bfs/build.rs

juno_samples/rodinia/bfs/src/bfs.jn

juno_samples/rodinia/bfs/src/cpu.sch

juno_samples/rodinia/cfd/src/cpu_euler.sch

juno_samples/rodinia/cfd/src/cpu_pre_euler.sch

juno_samples/rodinia/srad/build.rs

juno_samples/rodinia/srad/src/cpu.sch

juno_samples/rodinia/srad/src/srad.jn

juno_scheduler/src/compile.rs

juno_scheduler/src/ir.rs

juno_scheduler/src/pm.rs