Fix box dimensions in PIXI.BitmapText. Support anchor in Phaser.BitmapText

src/gameobjects/BitmapText.js

@@ -80,6 +80,9 @@ Phaser.BitmapText.prototype.update = function() {
         this._cache.dirty = true;
     }
 
+    this.pivot.x = this.anchor.x*this.width;
+    this.pivot.y = this.anchor.y*this.height;
+
 }
 
 Object.defineProperty(Phaser.BitmapText.prototype, 'angle', {

src/pixi/text/BitmapText.js

@@ -135,7 +135,7 @@ PIXI.BitmapText.prototype.updateText = function()
         this.addChild(c);
     }
 
-    this.width = pos.x * scale;
+    this.width = maxLineWidth * scale;
     this.height = (pos.y + data.lineHeight) * scale;
 };