Merge pull request lampepfl#61 from sedflix/patch-1

fix tour-of-scala link

LearningResources.md

@@ -7,7 +7,7 @@ title: Learning Resources
 
 - [Scala Standard Library API](http://www.scala-lang.org/api/)
 - [Scala School!](http://twitter.github.com/scala_school/): A Scala tutorial by Twitter
-- [A Tour of Scala](http://docs.scala-lang.org/tutorials/tour/tour-of-scala.html): Tutorial indroducing the main concepts of Scala
+- [A Tour of Scala](https://docs.scala-lang.org/tour/tour-of-scala.html): Tutorial indroducing the main concepts of Scala
 - [Scala Overview on StackOverflow](http://stackoverflow.com/tags/scala/info): A list of useful questions sorted by topic
 
 ### Week 1