Adding TezProcessor and record processors
switch to use TezProcessor as processor
remove commented code
don't set execmapper.setdone
for now, tezprocessor always thinks its a map
fix tez packaging changes
fixes to get map tasks working with MapProcessor
fixes tez integration issues, npe
stop subclassing mrtask
removing unncessary code (mostly local task
removing now unused logicalinputrecordreader
adding more comments
changes to use KeyValueReader instead of KVReader