Merge pull request #532 from jasonjckn/0.9.0-ibackingmap

MicroBatchIBackingMap: avoid store timeouts on multiput and multiget
Merge pull request #11 from nathanmarz/master

merge changes from nathanmarz/storm master
Merge pull request #550 from anfeng/messaging

Enable supervisor port to be set in test
access.log should rollover separately
Merge pull request #558 from d2r/eliminate-access-log-roll-collision

access.log should rollover separately
Update SystemBolt.java

Correcting typo for collectionTimeP, to getCollectionTime instead of getCollectionCount
Merge pull request #12 from nathanmarz/master

merge changes from nathanmarz/storm master
TaskMessage enhanced to enable null payload
Merge pull request #561 from ankitoshniwal/master

Correcting typo in SystemBolt.java for collectionTimeP
remove usage of immutablemap in systembolt.
it was causing kryo deserialization issues because immutablemap is not
registered with kryo.
Merge pull request #564 from jasonjckn/0.9.0

remove usage of immutablemap in systembolt.
Ignore NoNodeExists exceptions
Refactoring: Added helper function exceptionCauseIsInstanceOf
Merge pull request #566 from jasonjckn/0.9.0-nonodeexists

Ignore NoNodeExists exceptions
Merge branch '0.9.0'
Merge branch '0.9.0'
Make Config Strings final
Merge pull request #570 from d2r/d2r-config-final-strings

Make Config Strings final
Merge branch 'messaging' of git://github.com/anfeng/storm into anfeng-messaging
remove benchmark