Add tasks for all the new languages

Task/Sorting-algorithms-Stooge-sort/Swift/sorting-algorithms-stooge-sort.swift

@@ -0,0 +1,22 @@
+func stoogeSort(inout arr:[Int], _ i:Int = 0, var _ j:Int = -1) {
+    if j == -1 {
+        j = arr.count - 1
+    }
+
+    if arr[i] > arr[j] {
+        swap(&arr[i], &arr[j])
+    }
+
+    if j - i > 1 {
+        let t = (j - i + 1) / 3
+        stoogeSort(&arr, i, j - t)
+        stoogeSort(&arr, i + t, j)
+        stoogeSort(&arr, i, j - t)
+    }
+}
+
+var a = [-4, 2, 5, 2, 3, -2, 1, 100, 20]
+
+stoogeSort(&a)
+
+println(a)