Adding siddhi-core to the build
adding emma to siddhi
Refactoring EventFactory
Fixing double missing issue
support adding execution plans using siddhi grammar without using api
Merge branch 'Siddhi-3.0.0' of https://github.com/wso2-dev/siddhi into Siddhi-3.0.0

Conflicts:
	modules/siddhi-core/src/main/java/org/wso2/siddhi/core/SiddhiManager.java