Added comments and formatted code.
Changed the thrown exception to IllegalArgumentException.
Merge pull request #114 from GayashanNA/LoggingUtils-fix

In LoggingUtils class added comments and reformatted code.
Merge pull request #117 from GayashanNA/CircularBuffer-Exception-fix

In CircularBuffer class Changed the thrown exception to IllegalArgumentException.
Deprecated RegistryKeyStore feature.
Merge pull request #22 from wso2-dev/master

sucessfully commited the changes
Timestamp : Thu Sep 25 23:35:27 IST 2014
https://wso2.org/jenkins-pr-builder/job/carbon4-kernel/629/