Cache components
Ensure blueprint of core classes
Doctrine cache provider
Add yui compressor and delete unnecessary less file
Covering cache manager and cache bundle
Refactor asset controller, create ModelAsset and adding cache mechanism
Use Doctrine cache provider
Satisfy test-suite, covering all available application API
Refactor acl components
Implement inspector interface
Refactor asset and auth controller
Last login data
Refactor model, adding query and entity attribute and API
Refactor test suite, adding base class
Fix error caused by article fixture not exists yet