change the type Linkedlist to List
create QueryDistribution class
create QueryDistributionAlgorithm class
Merge branch 'master' of https://github.com/visiriCEP/VISIRI
Merge branch 'master' of https://github.com/visiriCEP/VISIRI
add Siddhi dependencise to CEP engine pom
create SiddhiCEPEngine class
change streamDefinition array to List
change queryId into string
add EnginehandlerTest class
add functionality to CEPFactory
create SiddhCEPEngine
add some functionalities to EngineHandler
modifications
Merge branch 'master' of https://github.com/visiriCEP/VISIRI

Conflicts:
	org.cse.visiri.algo/src/main/java/org/cse/visiri/algo/QueryDistribution.java
	org.cse.visiri.engine/src/main/java/org/cse/visiri/engine/DIrectPassEngine.java
	org.cse.visiri.engine/src/main/java/org/cse/visiri/engine/SiddhiEngine.java