Merge branch 'ModifyVars_Numerical_Vars' of https://github.com/MSamman/less.js

Conflicts:
	lib/less/browser.js

Author: lukeapage

test/browser/css/modify-vars/simple.css

@@ -4,4 +4,5 @@
 .test {
   color1: #008000;
   color2: #800080;
+  scalar: 20;
 }

test/browser/less/modify-vars/simple.less

@@ -1,6 +1,8 @@
 @import "imports/simple2";
 @var1: red;
+@scale: 10;
 .test {
   color1: @var1;
   color2: @var2;
+  scalar: @scale
 }

test/browser/runner-modify-vars-spec.js

@@ -20,7 +20,8 @@ describe("less.js modify vars", function() {
       lessOutputObj.type = "not compiled yet";
       less.modifyVars({
         var1: "green",
-        var2: "purple"
+        var2: "purple",
+        scale: 20
       });
     });