Add tasks for all the new languages

Task/Sort-using-a-custom-comparator/Ceylon/sort-using-a-custom-comparator.ceylon

@@ -0,0 +1,14 @@
+shared void run() {
+
+	value strings = [
+		"Cat", "apple", "Adam", "zero", "Xmas", "quit",
+		"Level", "add", "Actor", "base", "butter"
+	];
+
+	value sorted = strings.sort((String x, String y) =>
+			if(x.size == y.size)
+			then increasing(x.lowercased, y.lowercased)
+			else decreasing(x.size, y.size));
+	
+	sorted.each(print);
+}