Merge pull request phaserjs#677 from nickryall/dev-text

Fix for 'jagged' strokes on custom fonts.

Author: photonstorm

src/gameobjects/Text.js

@@ -375,6 +375,7 @@ Phaser.Text.prototype.updateText = function () {
     this.context.shadowBlur = this.style.shadowBlur;
 
     this.context.textBaseline = 'top';
+    this.context.lineJoin = 'round';
 
     //draw lines line by line
     for (i = 0; i < lines.length; i++)