split up services into individual files

- split up services into files under src/service
- split up specs into files under test/service
- rewrite all specs so that they don't depend on one global forEach
- get rid of obsolete code and tests in ng:switch
- rename mock $log spec from "$log" to "$log mock"

Rakefile

@@ -15,7 +15,23 @@ ANGULAR = [
   'src/filters.js',
   'src/formatters.js',
   'src/validators.js',
-  'src/services.js',
+  'src/service/cookieStore.js',
+  'src/service/cookies.js',
+  'src/service/defer.js',
+  'src/service/document.js',
+  'src/service/exceptionHandler.js',
+  'src/service/hover.js',
+  'src/service/invalidWidgets.js',
+  'src/service/location.js',
+  'src/service/log.js',
+  'src/service/resource.js',
+  'src/service/route.js',
+  'src/service/updateView.js',
+  'src/service/window.js',
+  'src/service/xhr.bulk.js',
+  'src/service/xhr.cache.js',
+  'src/service/xhr.error.js',
+  'src/service/xhr.js',
   'src/directives.js',
   'src/markups.js',
   'src/widgets.js',