Make rake jasmine:ci run specs correctly.

- Will replace rake core_specs.
- Remove obsolete dependencies & files -- most of these were for build tasks we
  are no longer using. Notably, rspec and spec_helper were deleted.

spec/javascripts/html/QueryStringSpec.js

@@ -0,0 +1,43 @@
+describe("QueryString", function() {
+
+  describe("#setParam", function() {
+
+    it("sets the query string to include the given key/value pair", function() {
+      var windowLocation = {
+          search: ""
+        },
+        queryString = new j$.QueryString({
+          getWindowLocation: function() { return windowLocation }
+        });
+
+      queryString.setParam("foo", "bar baz");
+
+      expect(windowLocation.search).toMatch(/foo=bar%20baz/);
+    });
+  });
+
+  describe("#getParam", function() {
+
+    it("returns the value of the requested key", function() {
+      var windowLocation = {
+          search: "?baz=quux%20corge"
+        },
+        queryString = new j$.QueryString({
+          getWindowLocation: function() { return windowLocation }
+        });
+
+      expect(queryString.getParam("baz")).toEqual("quux corge");
+    });
+
+    it("returns null if the key is not present", function() {
+      var windowLocation = {
+          search: ""
+        },
+        queryString = new j$.QueryString({
+          getWindowLocation: function() { return windowLocation }
+        });
+
+      expect(queryString.getParam("baz")).toBeFalsy();
+    });
+  });
+});