Additional base files and setup

- Base angular e2e test files
- Base e2e HTML test file
- Base plugin JS code
- Applying one e2e test
- Add HTML template
- Add initial scss/css files (+2 squashed commit)

Squashed commit:

[555e3a1] Add initial dependencies

- jQuery, bootstrap, angular

[25c29df] Revise package file
Merge pull request #2 from stulees/master

Additional base files and setup