partial changes
profiler added, commented out initialTotalCost normalization and normalizedInitialCost
cleaned up comments
added strategy pattern and RandomBalancerStrategy
added tests for random sampler and changed abstract class to interface
moved profiler
redid testing
removed unecessary line
turned Iterable to ArrayList, fixed potential null pointer in reservoir sampling
formatted files
fixed git ignore
fix to runtime params
fixed problem of balancer ignoring home server
wrote regression test
all working
adding profiling for 55k servers
changed number of replicants
fixes to make profiler work
finished profiling here
replication working too