Add Cloudbees forge repo for snapshots
Issue #7 - Move the <repositories> definitions to the apps themselves, not the archetypes
ISIS-928: single <repositories> tag in the example apps' parent pom.xml.  Convert tabs to spaces.
ISIS-928: recreating simpleapp archetype
ISIS-928: recreating todoapp archetype
ISIS-928: optimize imports for todoapp and simpleapp... don't use wildcards.  This addresses the issue for Eclipse/Java 8 compiler of the type 'Optional' being ambiguous in java.util.* and org.apache.isis.applib.annotation.*
ISIS-928: recreating todoapp archetype
ISIS-928: recreating simpleapp archetype