Add basic test for runtime clustering, where jobs are evenly (based on runtime) distributed across fixed number of bins
Add cleanup statement
Merge branch 'master' of https://github.com/pegasus-isi/pegasus
Compute column lengths for breakdown.txt based on the content length, so it is easier to read.
PM-744
Format job stats whe output format is text, so it is easily readable when some of the values are longer than others.
PM-744

Left justify all columns.
Merge branch 'master' of https://github.com/pegasus-isi/pegasus