Updated the activiti version with exposing activiti session packages
updated with license header
updated copy right header
Merge pull request #33 from firzhan/master

Updated the activiti version with exposing activiti session packages
updated the rest version
Merge pull request #35 from firzhan/master

updated the activiti - rest version
Changed hazelcast groupid to hazelcast-all and hazelcast orbit version to 3.2.6wso2v3
removed hazelcast from root pom.xml