bugs
Merge branch 'temp'

Conflicts:
	crawler/src/main/scala/ch/epfl/lsir/monadikos/crawler/actorsystem/FetcherMasterActor.scala
	crawler/src/main/scala/ch/epfl/lsir/monadikos/crawler/actorsystem/TaskInterpreterUtilities.scala
	crawler/src/main/scala/ch/epfl/lsir/monadikos/crawler/facebook/FacebookOperations.scala
	crawler/src/main/scala/ch/epfl/lsir/monadikos/crawler/facebook/FacebookPictures.scala
	crawler/src/main/scala/ch/epfl/lsir/monadikos/crawler/facebook/FacebookPosts.scala
	schema-manager/src/main/java/ch/epfl/lsir/monadikos/schemamanager/facebook/FacebookStorageMgr.java