PZ fix broken simple sample json template
PZ support notify option to get notification of stack events
PZ update document
PM Fixing type in word
PZ clean up record set in r53 when destroy stack
Merge pull request #1 from pmcfadden/master

Updating latest code changes.
Merge pull request #2 from peterzhao/master

PZ create tmp dir if not exists in testing
Merge pull request #3 from peterzhao/clean-up-r53

PZ clean up record set in r53 when destroy stack