Clean readme, add note about minifying html

Author: hailwood

README.md

@@ -20,19 +20,19 @@ then browse to /dev/build?flush=all
 Several of these helpers are disabled by default but can be enabled in the config.
 
 
-#Requirements#
+# Requirements 
 * Silverstripe 3.1+
 * php5.4+
 * php5-intl Package 
 
-#Extension Overview#
+# Extension Overview
 
-##DataListExtension##
+## DataListExtension
  - Adds a new *ListColumn* function to a DataList to allow implode() style functionality of the list items  
    e.g. `$list->ListColumn('ID', ' |')` would result in something like "1 |18 |19 |24".
  - Automatically applied
 
-##ExtraPageFieldsExtension##
+## ExtraPageFieldsExtension
  - Moves the metadata fields to a new tab
  - Adds a new "Meta Title" field
  - Automatically applied
@@ -58,31 +58,35 @@ class Page extends SiteTree {
     }
 
 }
-````
- 
-##FooterMenuExtension##
+```
+
+## Relative Assets Extension
+ - Prefixes all references to `assets/*` with a preceeding slash i.e. they become something like `/assets/some.png`
+ - If [zaininnari/html-minifier](https://github.com/zaininnari/html-minifier) is installed minifies the HTML output before rendering.
+
+## FooterMenuExtension
  - Adds a new *ShowInFooter* option to the page settings
  - Adds a new `FooterPages()` function to the SiteTree to return only pages that have this checked
 
-##ImageExtension##
+## ImageExtension
  - Adds a new *Image Alt Text* option to the image settings
  - Makes the image settings fields full width
  - Automatically applied
 
-##LinkExtension##
+## LinkExtension
  - Adds a new *SEO Text* option to the link settings
  - Adds a *force download* checkbox to the link if it's set to a file.
  - Automatically applied
 
-#Template Providers Overview#
+# Template Providers Overview
 
-##HelpersTemplateProvider
+## HelpersTemplateProvider
  - Adds a new `Repeat($times)` function to the templates to return a loopable list (kind of like a for loop)
  - Adds a new `Dump($obj)` function to the templates to allow easy dumping of any template variable
 
-#Extendable Classes Overview#
+# Extendable Classes Overview
 
-##OwnerPermissionedDataObject##
+## OwnerPermissionedDataObject
  - Allows data objects to inherit the access permissions from their attached relation parent
  - Relation parent defaults to `Page()`
  - If `static::$relationOwner` is set to `null` will fall back to asking the standard `Page` for permission