Fix param for Metrics Consumers 

In Config.java used different constant
Add storm.home to logback/cluster.xml so workers can find it.
Added License header.
Removed the copyright notice.
Enable plugin for tuple serialization, and provide blowfish encryption plugin as an example
Enable plugin for tuple serialization, and provide blowfish encryption plugin as an example
Merge pull request #447 from engineerdev/patch-1

Fix param for Metrics Consumers
Merge pull request #457 from revans2/log-fix

 Issue #456 worker logging fix
Register our default serializer via defaults.xml, and throw exception if bad serializer is configured
Register our default serializer via defaults.xml, and throw exception if bad serializer is configured
copyright headers removed
add NOTICE file
Merge remote-tracking branch 'anfeng/master'
update contributors and changelog
Initialising ReducerAggregator if (when) state is null.

This is an attempt at overcoming the problem outlined here:
https://groups.google.com/d/topic/storm-user/3kQU_8FO1xg/discussion
Merge pull request #465 from lorcan/nathanmarz/master

Initialising ReducerAggregator if (when) state is null.
update changelog/contributors
set component configurations correctly for trident spouts
update changelog