Remove references in *.md to Inline::Python and pygments

Add references to needing nodejs and GCC 4.8

Author: samcv

CONTRIBUTING.md

@@ -206,10 +206,8 @@ computer.  To do this you will need:
     (optional; a Perl 5 web framework; it allows you to run a web
     app locally to display the docs)
   - [SASS](http://sass-lang.com/) Compiler
-  - pygmentize (optional; a program to add syntax highlighting to code
-    examples)
-  - `Inline::Python` (optional; run Python code from within Perl 6,
-    necessary for faster execution of pygmentize)
+  - [highlights](https://github.com/perl6/atom-language-perl6) (optional; requires
+    only `nodejs` and at least GCC-4.8 on Linux to be installed. Running `make` will set everything up for you.)
 
 ### Dependency installation
 

README.md

@@ -48,8 +48,8 @@ computer by starting the included `app.pl` program:
 You can then view the examples documentation by pointing your web browser at
 [http://localhost:3000](http://localhost:3000).
 
-You will need at least [Mojolicious](https://metacpan.org/pod/Mojolicious) installed and [Inline::Python](https://metacpan.org/pod/Inline::Python) is recommended
-to speed up the syntax highlighting phase.
+You will need at least [Mojolicious](https://metacpan.org/pod/Mojolicious)
+installed and you will need [nodejs](https://nodejs.org) to perform highlighting.
 
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