Use namespaces for tests

With this commit test files provide namespaces (using goog.provide). This fixes the issue reported by @bartvde where goog objects cannot be used in Jasmine "describe" functions. It also frees us from having to add script tags for the test files in test/ol.html.

test/test.json

@@ -0,0 +1,16 @@
+{
+
+  "id": "test",
+
+  "inherits": "../base.json",
+
+  "inputs": [
+    "test/requireall.js"
+  ],
+
+  "paths": [
+    "src",
+    "test"
+  ]
+
+}