update preboot comments about color scheme

bootstrap-1.3.0.css

@@ -6,7 +6,7 @@
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Designed and built with all the love in the world @twitter by @mdo and @fat.
- * Date: Sun Sep 11 20:46:26 PDT 2011
+ * Date: Sun Sep 11 20:47:25 PDT 2011
  */
 /* Reset.less
  * Props to Eric Meyer (meyerweb.com) for his CSS reset file. We're using an adapted version here	that cuts out some of the reset HTML elements we will never need here (i.e., dfn, samp, etc).

lib/preboot.less

@@ -40,6 +40,7 @@
 @siteWidth:         (@gridColumns * @gridColumnWidth) + (@gridGutterWidth * (@gridColumns - 1));
 
 // Color Scheme
+// Use this to roll your own color schemes if you like (unused by Bootstrap by default)
 @baseColor:         @blue;                  // Set a base color
 @complement:        spin(@baseColor, 180);  // Determine a complementary color
 @split1:            spin(@baseColor, 158);  // Split complements