Improvements for ELB functionality#45

Merged

Jmcfar merged 12 commits intoaws-samples:masterfrom

default50:elb_improvements

Aug 17, 2016

Commits on May 26, 2016

Updated README with needed IAM policy
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Commits on May 27, 2016

Revamped flagfile usage with extra functions preparing for extra functionality
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Moved final message with stats to a function to be able to call it from different places
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Make sure (AZRebalance AlarmNotification ScheduledActions ReplaceUnhealthy) are suspended while deploying and resume only the ones suspended by the script.
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Commits on May 30, 2016

Commits on Jun 14, 2016

Commits on Jul 7, 2016

Added a validation to avoid failing when it's the first deployment and deregister_from_elb.sh was not run on ApplicationStop
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Commits on Jul 8, 2016