Run unit tests under AMD

* Removed browser globals support
* Added poly.js support for tests
* Full test suite passage in FF 3.6 and IE 6-8 for the first time

lib/curl-config.js

@@ -0,0 +1,16 @@
+(function(g) {
+
+	g.curl = {
+		debug: true,
+		apiName: 'curl',
+		baseUrl: '../',
+		packages: [
+			{ name: 'rest', location: 'src/rest', main: '../rest'},
+			{ name: 'curl', location: 'node_modules/curl/src/curl', main: '../curl' },
+			{ name: 'poly', location: 'node_modules/poly', main: 'poly' },
+			{ name: 'when', location: 'node_modules/when', main: 'when' }
+		],
+		preloads: ['poly/object', 'poly/array', 'poly/string', 'poly/xhr', 'js!lib/json2.js!exports=JSON']
+	};
+
+})(this);