Split snippet into a CSS property-value pair
@param {String} snippet
function(snippet) {
			var utils = require('utils');
			snippet = utils.trim(snippet);
			if (snippet.indexOf(':') == -1) {
				return {
					name: snippet,
					value: defaultValue
				};
			}
			
			var pair = snippet.split(':');
			
			return {
				name: utils.trim(pair.shift()),
				// replace ${0} tabstop to produce valid vendor-prefixed values
				// where possible
				value: utils.trim(pair.join(':')).replace(/^(\$\{0\}|\$0)(\s*;?)$/, '${1}$2')
			};
		}