Updates from Mon 30 Mar

- [ReactNative] Clean up no longer needed reference to NavigationBarClass | Philipp von Weitershausen
- [TextInput] returnKeyType, enablesReturnKeyAutomatically, secureTextEntry, more keyboardTypes | Tadeu Zagallo
- [ReactNative] PropTypes for NavigationBars | Philipp von Weitershausen
- Changed LayoutAnimation to use ms instead of seconds for consistency | Nick Lockwood
- Better date support | Nick Lockwood
- Renamed throttleScrollCallbackMS to scrollEventThrottle | Nick Lockwood
- Fixed threading issues in RCTImageDownloader | Nick Lockwood
- [iOS][Assets]: Cleaning up more 1x png from Libraries | Radu Marin
- [ReactNative][docs] LinkingIOS | Tadeu Zagallo
- Fixing TouchableOpacity and TouchableHighlight documentation | Ben Alpert
- [react-native] Add React.addons.createFragment | Ben Alpert

Libraries/Animation/AnimationUtils.js

@@ -211,21 +211,27 @@ var ticksPerSecond = 60;
 var lastUsedTag = 0;
 
 module.exports = {
+  /**
+   * Returns a new unique animation tag.
+   */
   allocateTag: function(): number {
     return ++lastUsedTag;
   },
 
+  /**
+   * Returns the values of the easing function at discrete ticks (60 per second).
+   */
   evaluateEasingFunction: function(duration: number, easing: string | EasingFunction): Array<number> {
     if (typeof easing === 'string') {
       easing = defaults[easing] || defaults.easeOutQuad;
     }
 
     var tickCount = Math.round(duration * ticksPerSecond / 1000);
-    var sample = [];
+    var samples = [];
     for (var i = 0; i <= tickCount; i++) {
-      sample.push(easing(i / tickCount));
+      samples.push(easing.call(defaults, i / tickCount));
     }
 
-    return sample;
+    return samples;
   },
 };