GC enhancements to add After GC heap sizes
adding run_steps, working code for local cmd
minor updates
added time period support
logging update
Merge remote-tracking branch 'upstream/master' into issue94
fix big in logging
Added docstrings
bugfix for logger
Grader implementation in report
Merge pull request #107 from SharadGandhi/grader

Grader support in Report
adding init file
Merge branch 'issue94' of github.com:RiteshMaheshwari/naarad into issue94
remove comment
making call_type=local by default
Merge pull request #104 from RiteshMaheshwari/issue94

Issue94 - workload kickoff support
Merge pull request #103 from SharadGandhi/gc-enhancements

GC enhancements to add After GC heap sizes
Sync with latest linkedin/naarad