Revert change to how width and height are handled -- the other was causing image resampling.

Author: mdboom

lib/matplotlib/backends/web_static/index.html

@@ -9,6 +9,7 @@
     <div id="mpl-div">
       <canvas id="mpl-canvas"
               class="mpl-canvas"
+              width="800" height="600"
               onmousedown="mouse_event(event, 'button_press')"
               onmouseup="mouse_event(event, 'button_release')"
               onmousemove="mouse_event(event, 'motion_notify')">

lib/matplotlib/backends/web_static/mpl.css

@@ -1,8 +1,3 @@
-.mpl-canvas {
-    width:800px;
-    height:600px;
-}
-
 .mpl-message {
     float:right;
     vertical-align:text-center;