Class org.apache.pig.impl.PigImplConstants

Added Fields
String PIG_AUDIT_ID	A unique id for a Pig session used as callerId for underlining component
String PIG_CONTEXT	Pig context
String PIG_EXECTYPE_MODE_LOCAL	Used by pig to indicate that current job is running in local mode (local/tez_local) ie.
String PIG_LOG4J_PROPERTIES	Pig log4j properties