Import from Typesafe Activator / Hello Akka
Basic versions of User, ContentProvider, Content, Indexer and Index
ElasticSearch index implementation
Simplified content providers; add akka-quartz-scheduler
Implement updates of already indexed content
Bulk update using 'IndexPile(provider: ContentProvider, pile: Seq[Content])'
Add log messages to text provider
Remove old (test) classes; fix future handling in indexer; first successful run
Merge branch 'feature/setup' into develop