Fixed problem with canvas tips when using border property

Previously the canvas drawing method was translating the canvas origin, but not restoring it.
This was causing the tip to be redrawn later on outside the canvas, as it was being translated in
relation to the current canvas origin.

src/tips.js

@@ -313,8 +313,10 @@ function Tip(qTip, command)
 			switch(method)
 			{
 				case 'canvas':
-					// Grab canvas context
+					// Grab canvas context and clear it
 					context = inner.get(0).getContext('2d');
+					context.clearRect(0,0,3000,3000);
+					context.restore();
 
 					// Determine tip coordinates based on dimensions
 					if(border) {
@@ -325,6 +327,9 @@ function Tip(qTip, command)
 						context.lineWidth = border + 1;
 						context.lineJoin = 'miter';
 						context.miterLimit = 100;
+
+						// Save and translate canvas origin
+						context.save();
 						context.translate(
 							mimic.x === 'left' ? 0 : mimic.x === 'right' ? -width : -width / 2,
 							mimic.y === 'top' ? 0 : mimic.y === 'bottom' ? -height : -height / 2
@@ -337,7 +342,6 @@ function Tip(qTip, command)
 					// Setup canvas properties
 					context.fillStyle = color.fill;
 					context.miterLimit = 0;
-					context.clearRect(0,0,3000,3000);
 
 					// Draw the canvas tip (Delayed til after DOM creation)
 					for(i; i < 2; i++) {