adding inheritance model view
updates to the D3 Tree style.
refactor(Ext JS 5): DO NOT MERGE

- [x] main
- [x] about
- [x] components
     - [x] tree
     - [x] properties
     - [x] methods
     - [ ] bindings
- [ ] stores
- [x] layouts
    - [x] box layouts
    - [x] overnesting
    - [x] layout runs
- [ ] events
- [ ] mvc
refactor(Ext JS 5): DO NOT MERGE

components
  - [ ] viewmodels - some issues
  - [ ] viewcontroller - disabled
style(FontAwesome): some more styling

* about
* layouts removed icons on subtabs
adding inheritance model view
refactore(none): bootstrap