Phase 1 completed!

Connected with menu using Default view.
Phase 2:
1. file / select / checkbox fields handling refinement
2. Auth
3. i18n
4. Dashboard mech
5. [Opt] Loading sub-grid data using 'ref' config in mongo instead of
nesting the whole sub-docs inside the parent one. e.g. {type:
[ObjectId], ref: 'xxx'}