refactor(Ext JS 5): DO NOT MERGE

- [x] main
- [x] about
- [x] components
    - [x] tree
    - [x] properties
    - [x] methods
    - [x] bindings
    - [x] viewmodels - some issues
    - [ ] viewcontroller - disabled
    - [ ] inheritancemodel - NEW (preparing for **Inheritance Model** by @moduscreate)
- [ ] stores
    - [x] list
    - [x] store records
    - [ ] tree store record
    - [x] record details
- [x] layouts
    - [x] box layouts
    - [x] overnesting
    - [x] layout runs
- [x] events
- [ ] mvc