KIJI-797. AspectJ for profiling.

Serializes the profiling information collected inside KijiSchema
during a map reduce job.
Aggregator script for profiling output from MR

This is the first pass at a script that can be used to aggregate
the output collected from profiling map reduce jobs using aspectJ.
You can store the output to a csv or view it as a graph.
OP-27839. Set version name to 1.0.0-opower-1-profiling on this profiling branch.
Merge pull request #7 from alexandre-normand/opower-1.0.0-profiling

opower-1.0.0 with profiling