Avoid idempotent operations (like assigning a variable to itself).
Name 'RETRY_COUNT' must match pattern '^[a-z][a-zA-Z0-9]*$'.
String.indexOf(char) is faster than String.indexOf(String).
String.indexOf(char) is faster than String.indexOf(String).
index of char,
Merge branch 'master' into findbugsMajor

Conflicts:
	hazelcast/src/main/java/com/hazelcast/mapreduce/impl/AbstractJob.java
Merge pull request #2056 from Danny-Hazelcast/findbugsMajor

Findbugs major