Improve layout of all initiator templates

The examples shipped with Palladio contain diagrams that are poorly layouted or even do not exist yet. Improve the layout of the examples.

Hint: The example most probably originates from architectural templates located on Github.

https://github.com/PalladioSimulator/Palladio-Addon-ArchitecturalTemplates/tree/master/bundles/org.palladiosimulator.architecturaltemplates.catalog/initiatorTemplates