how do I fix "These libraries failed to download. Try again. com.typesafe.akka:akka-actor_2.11:2.3.3
com.typesafe:config: 1.2.1
org.scala-lang:scala-actors-migration_2.11:1.1.0
org.scala-lang:scala-compiler:2.11.1
org.scala-lang.plugins:scala-continuations-library_2.11:1.0.2
org.scala-lang.plugins:scala-continuations-plugin_2.11.1:1.0.2
org.scala-lang:scala-library:2.11.1
org.scala-lang:scala-parser-combinators 2.11:1.0.1
org.scala-lang:scala-reflect:2.11.1
org.scala-lang:scala-swing_2.11:1.0.1 org.scala-lang:scala-xml_2.11:1.0.2"