Removing pyc files
Merge branch 'cost_model_preemption' of https://github.com/gustafa/firmament into cost_model_preemption

Conflicts:
	src/examples/mapreduce/heartbeat/__init__.pyc
	src/examples/mapreduce/heartbeat/heartbeater.pyc
Fixing big little endian issue in sends
Merge branch 'cost_model_preemption' of https://github.com/gustafa/firmament into cost_model_preemption