updates in log_analyzer.py
updates in log_analyzer.py (workunit count)
new feature: awe-client can track maximum memory usage during workunit processing and report it in perf log
print error msg when awe-client exits for checkout error
remove debug msg
add job delete event (JL) in event logs
Merge pull request #145 from wtangiit/master

awe-client tracking maximum memory usage for workunits (and others)