move CDI from doc to mod category

Author: decebals

_posts/2015-06-26-cdi.md

@@ -3,7 +3,7 @@ layout: page
 title: "CDI"
 category: mod
 date: 2015-06-26 20:07:29
-order: 11
+order: 17
 ---
 
 Pippo can be used together with [CDI](http://www.cdi-spec.org/), using [Weld](http://weld.cdi-spec.org) as the implementation mechanism.  

_posts/2015-06-26-css-preprocessors.md

@@ -1,9 +1,9 @@
 ---
 layout: page
 title: "CSS pre-processors"
-category: doc
+category: mod
 date: 2015-06-26 21:31:52
-order: 45
+order: 18
 ---
 
 Both Less and Sass are CSS pre-processors, meaning that both extends the CSS language, adding features that allow variables, mixins, functions,
@@ -50,4 +50,4 @@ addResourceRoute(new SassResourceHandler("/sasscss", "public/sass"));
 ```
 where `/sasscss` will be the context path that for the sass folder files.
 
-Mixin both sass and less in your project is possible as you can see in the [demo](https://github.com/decebals/pippo/tree/master/pippo-demo/pippo-demo-css).
+Mixin both sass and less in your project is possible as you can see in the [demo](https://github.com/decebals/pippo/tree/master/pippo-demo/pippo-demo-css).