Implemented create, add and layout part of ServiceCandidate pattern
Started building support for common model navigator and Texo.
Merge branch 'master' of https://github.com/jhoeflaken/sbp-designer.git

Conflicts:
	sbpdesigner-soa-service-analysis-diagram-plugin/src/com/imtech/sbp/designer/soa/ui/diagrams/patterns/ServiceCandidatePattern.java