Merge pull request #3 from wso2-dev/master

sucessfully commited the changes
Timestamp : Wed Jul 23 15:50:53 IST 2014
https://wso2.org/jenkins-pr-builder/job/carbon-utils/1/
Merge pull request #5 from wso2-dev/master

sucessfully commited the changes
Timestamp : Thu Aug 07 14:31:56 IST 2014
https://wso2.org/jenkins-pr-builder/job/carbon-utils/17/
Merge pull request #6 from wso2-dev/master

sucessfully commited the changes
Timestamp : Tue Sep 02 11:43:35 IST 2014
https://wso2.org/jenkins-pr-builder/job/carbon-utils/30/
This is to fix subscribtion issue of subscription update on getting propergated to other nodes in cluster environment
code cleanup using sonar
add missing wso2 licenses
Add Wso2 license headers
fixing REGISTRY-2300
adding util.constants for configurable values
reducing code line length to meet 120 column limit
improving code quality
logging the error before throwing, and adding e.getMessage() to the custom message
Change cluster notification impl to support new HZ patch
corrected the assignment error
Merge branch 'master' of https://github.com/wso2-dev/carbon-utils into local-wso2-dev
Fixed Merged Conflict Error
corrected logging formats
serialize the Subscription class
edit comments
Merge branch 'master' of https://github.com/wso2-dev/carbon-utils into MERGE-FIX