Just some comment corrections and cleanup

Signed-off-by: Hofi <hofione@gmail.com>

Author: HofiOne

_includes/doc/common_links

@@ -3,10 +3,10 @@
     This could help common link usages, like
 
     {% include doc/common_links %}
-    [404 link via ref][ref:404]
+    {% include markdown_link_decl id="404" %}
 
     The final goal would be to add include of this file to _includes/doc/common_snippets and get it
-    automatically included to each page, so make possible pure 
+    automatically included to each page, so make possible a pure 
 
     [404 link via ref][ref:404]
 

_js/custom/custom-init.js

@@ -1,11 +1,3 @@
 /* ==========================================================================
-   Custom js init stuff
-   ========================================================================== */
-
-// $(function () {
-// 
-//   // Override the default lunr tokenizer options, as a quick fix added _ to the list to get ignored the differences like option-1 and option_1
-//   //lunr.tokenizer.separator = /[\s\-_]+/
-//   lunr.tokenizer.separator = /[\s]+/
-// 
-// });
+   Add custom, common js initialization related part here
+   ========================================================================== */