Fix file system actor and update Readme

Author: J0B10

README.md

@@ -32,6 +32,12 @@ Please see the wiki to learn how to code new [platform sources](https://github.c
 
 Chat Overflow releases are not yet available. ETA Q2 2019.
 
+### Discord
+
+The perfect place if you need help with the framework, found a bug or want to share your own plugin:
+
+[![discord](https://discordapp.com/api/guilds/577412066994946060/widget.png?style=banner2)](https://discord.gg/p2HDsme)
+
 ### About Code Overflow
 
 Code Overflow started as a coding-livestream project by three computer science students @ [KIT, Karlsruhe](http://www.kit.edu/) and is headed by [skate702](http://skate702.de).

src/main/scala/org/codeoverflow/chatoverflow/connector/actor/FileSystemActor.scala

@@ -36,9 +36,9 @@ class FileSystemActor extends Actor {
       }
     case LoadBinaryFile(pathInResources) =>
       try {
-        sender ! Some(Files.readAllBytes(new File(s"$dataFilePath${fixPath(pathInResources)}").toPath))
+        sender ! Files.readAllBytes(new File(s"$dataFilePath${fixPath(pathInResources)}").toPath)
       } catch {
-        case _: Exception => None
+        case _: Exception => Array[Byte]()
       }
     case SaveFile(pathInResources, content) =>
       try {
@@ -65,7 +65,7 @@ class FileSystemActor extends Actor {
   }
 
   private def fixPath(path: String): String = {
-    val fixedPath = Paths.get(File.pathSeparator, path).normalize()
+    val fixedPath = Paths.get(File.separator, path).normalize()
     fixedPath.toString
   }
 }