Merge commit '8ec2b10a4d546b148ec2d6f75b284a636b2b9edf' into develop

# Conflicts:
#	main/ui/src/main/java/org/cryptomator/ui/model/Vault.java

fixes #627

main/ui/src/main/java/org/cryptomator/ui/model/WebDavVolume.java

@@ -111,7 +111,7 @@ public class WebDavVolume implements Volume {
 	}
 
 	public synchronized String getMountUri() {
-		return servlet.getServletRootUri().toString();
+		return servlet.getServletRootUri().toString() + "/";
 	}
 
 	/**