deprecate includeTool for includeService

refactoring to get naming correct

#38
add createService method, cleanup

did some cleanup as well of variable names after tool to service name
refactoring

#67
Merge branch 'master' into add-create-service-method

Conflicts:
	src/main/groovy/metridoc/core/MetridocScript.groovy
	src/main/groovy/metridoc/core/TargetManager.groovy