Merge pull request #7207 from delftswa2014/doc_links

added links to docs for listed libraries in overview.md

AUTHORS

@@ -198,4 +198,4 @@ Ahsan Ulhaq <ahsan@edx.org>
 Mat Moore <mat@mooresoftware.co.uk>
 Muzaffar Yousaf <muzaffar@edx.org>
 Sylvain <sylvain@openfun.fr>
-
+Mayank Jain <mjmayank@gmail.com>

docs/en_us/internal/overview.md

@@ -6,13 +6,13 @@ This document explains the general structure of the edX platform, and defines so
 
 You should be familiar with the following.  If you're not, go read some docs...
 
- - python
- - django
+ - [python](http://docs.python.org)
+ - [django](http://docs.djangoproject.com)
  - javascript
  - html, xml -- xpath, xslt
  - css
- - git
- - mako templates -- we use these instead of django templates, because they support embedding real python.
+ - [git](http://git-scm.com/documentation)
+ - [mako templates](http://www.makotemplates.org/docs) -- we use these instead of django templates, because they support embedding real python.
 
 ## Other relevant terms