preparing for actual setup
 - resolved dependency conflict of stax which caused aws sdk to fail
 - fixing -d option on webapp
 - reducing embedded ES initialization pause to 1000 msecs
 - setup stack operation is blocking until issues are resolved
 - other minor fixes in amazon and coordinator
failIfCommitNecessary parameter in plugin is false by default and couple of configuration fixes in chop-example
fixing faulty parsing of provider params keys
fixing misuse of Preconditions in CoordinatedCluster.add()
 - minor fixes in EC2InstanceManager and AmazonIpRuleManager
 - getting Instances with id collection implemented in
   EC2InstanceManager
 - minor fixes in chop-example pom.xml and stack.json
Merge pull request #56 in CHOP/main from coordinator-setup to master

* commit '0bf6cd85a12642b9d7360f9859b19e2062b7ebaf':
  - minor fixes in EC2InstanceManager and AmazonIpRuleManager  - getting Instances with id collection implemented in    EC2InstanceManager  - minor fixes in chop-example pom.xml and stack.json
  fixing misuse of Preconditions in CoordinatedCluster.add()
  fixing faulty parsing of provider params keys
  failIfCommitNecessary parameter in plugin is false by default and couple of configuration fixes in chop-example
  - resolved dependency conflict of stax which caused aws sdk to fail  - fixing -d option on webapp  - reducing embedded ES initialization pause to 1000 msecs  - setup stack operation is blocking until issues are resolved  - other minor fixes in amazon and coordinator
  preparing for actual setup