added modman file
fixed css file path
bugfix: https://github.com/mage-eag/mage-enhanced-admin-grids/issues/2
made image width / height optional
added row highlight on mouseover and drag
call event.preventDefault when dragging is started

bugfix for chrome/webkit setting cursor to "text" while dragging
Fixes "Notice: Undefined variable: grid in app/code/community/BL/CustomGrid/Model/Grid/Type/Tax/Class.php on line 38"

see https://github.com/ho-nl/mage-enhanced-admin-grids/commit/9f83a09ba49cdaba5de302f05b8986223d080e47
Fix strict notice caused by passing the return value of a function into array_pop which expects an array reference.
Added composer.json for composer support
Merge commit 'f9b54ec78a51170e3846ad24b62b18347ffe3d18' into 0.8.9

Conflicts:
	app/code/community/BL/CustomGrid/Block/Widget/Grid/Column/Renderer/Product/Image.php
	app/code/community/BL/CustomGrid/Helper/Collection.php
	app/code/community/BL/CustomGrid/Model/Grid/Type/Tax/Class.php
	app/code/community/BL/CustomGrid/Model/Observer.php
	app/code/community/BL/CustomGrid/etc/customgrid.xml
	app/design/adminhtml/default/default/layout/bl/customgrid.xml
	composer.json
	js/bl/customgrid/config.js
	modman
	skin/adminhtml/default/default/bl/customgrid/styles.css