updated Spring Framework version to 3.2.9
Merge pull request #6 from callkalpa/master

updated Spring Framework version to 3.2.9
Overriding new method introduced in new Hazelcast version
Merge pull request #9 from gokulbs/master

Overriding new method introduced in new Hazelcast version
Fixed imports
Merge pull request #10 from gokulbs/master

Fixed imports for com.hazelcast.core
Removing unneeded method
Merge pull request #11 from gokulbs/master

Removing unneeded method
Fixing REGISTRY-2268
Re-adding new method from Hz version upgrade
Merge pull request #12 from erandasooriyabandara/master

Fixing REGISTRY-2268
Merge pull request #13 from gokulbs/master

Re-adding new method from Hz version upgrade
Log appenders and circular buffer package changed to org.wso2.carbon.utils.logging
Log appenders' package changed to org.wso2.carbon.utils.logging.appenders.*
Merge pull request #7 from GayashanNA/CARBON-14867

Adding fix for COMMONS-112 - Handle regression issues caused by fix on CARBON-14867
Fixed CARBON-14845, Introduce a way to plug custom log providers to get logs
Fixed CARBON-14851
Refactored and allow plugable log file provider , changed the logging configuration file
Removed log provider implementation references from LoggingUtil class
Removed LoggingReader, FileHandler and TenatnAwareLogReader deprecated classes, moved all util method to LoggingUtil class