Kickstart of integrated build.
Cleaned-up queue-manager build.
Enabled sbt build for the schema-manager.
Merge branch 'master' into build
Merge branch 'master' into build
Added namespace to Avro protocols.
Small tweaks to schema-manager SBT build.
Small fixes to crawler build.
Added multi-project build for root project.
Merge branch 'master' into build

Conflicts:
	crawler/src/main/scala/ch/epfl/lsir/monadikos/crawler/facebook/FacebookPosts.scala
	queue-manager/project/plugins.sbt
	schema-manager/pom.xml
Conf files now in the schema-manager jar.