adding more unit tests to deployment framework covering deployment service and deployment engine aspescts
proper naming for methods and exception handling
adding more unit test cases to get better code coverage for deployment framework
adding missing license header
fixing test failures occur in windows environment
updating readme for the distribution
adding test to server-config module
Merge branch 'master' of https://github.com/wso2/carbon-kernel
removing unnecessary test methods
moving to SLF4J based logging API in components and code clean-up
moving to SLF4J based logging API in components
adding clustering module
adding cluster configuration model, whihc is used to populate the cluster configuration based on given cluster.xml
basic clustering implementation with hazelcast
basic working clustering implementation for multicast and wka membership schemes based on hazelcast
proper exception handling for clustering module and code restructuring
proper exception handling for membership scheme in clustering module
properly seperating cluster configuration, cluster context, cluster API and clustering agent
proper seperation for cluster context and cluster agent implementation. handling clustering agent initilization via service and parameter lookup