Update for STArray move from Prelude to arrays

For purescript/purescript#731 purescript/purescript-arrays#18

Author: dylex

bower.json

@@ -28,7 +28,7 @@
     "angular": "1.2.26",
     "todomvc-common": "0.1.9",
     "purescript-strings": "0.4.1",
-    "purescript-arrays": "0.2.1",
+    "purescript-arrays": "0.2.2",
     "purescript-control": "0.2.1"
   }
 }

src/Angular/ST.purs

@@ -1,7 +1,8 @@
 module Angular.ST where
 
 import Control.Monad.Eff
-import Control.Monad.ST (ST(), STArray())
+import Control.Monad.ST (ST())
+import Data.Array.ST (STArray())
 
 foreign import readSTArray "function readSTArray(arr) {\
                            \  return function() {\