It will be very useful for RM and NM to support web-services to export json/xml.
YARN REST api needs filtering capability
write api documentation for web service apis for RM, NM, mapreduce app master, and job history server
com.google.inject.internal.Preconditions not public api - shouldn't be using it
JobHistoryServer doesn't show job queue
change Jersey version to 1.9 to go with MAPREDUCE-2863