Removed legacy webkit support; commented out the canvas generated lin…

…ear gradient; prepared the linear gradient to be available in vendor-prefixed properties like border-image; actually fixes #14; fixes #71

lib/nib/gradients.styl

@@ -15,19 +15,6 @@ replace(expr, str, val)
         expr[i] = val
   expr
 
-/*
- * Normalize gradient points.
- */
-
-grad-point(pos)
-  if length(pos) == 1
-    return left pos if pos in (top bottom)
-    return pos top if pos in (left right)
-  else if pos[0] in (top bottom)
-    pos[1] pos[0]
-  else
-    pos
-
 /*
  * Implicit color stop position.
  */
@@ -76,13 +63,6 @@ join-stops(stops, translate)
     str += translate(color, pos)
   unquote(str)
 
-/*
- * Legacy Webkit color stop.
- */
-
-webkit-stop(color, pos)
-  'color-stop(%d, %s)' % (pos / 100 color)
-
 /*
  * Standard color stop.
  */