Remove dependencies on bower/npm/angular

[tonglingchen]

Purpose

Remove dependencies on bower/npm/angular. Now you should be able to just get the code and run.

Does this introduce a breaking change?

[ ] Yes
[x] No

Pull Request Type

What kind of change does this Pull Request introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[x] Refactoring (no functional changes, no api changes)
[ ] Documentation content changes
[ ] Other... Please describe:

How to Test

• Get the code

git clone [repo-address]
cd [repo-name]
git checkout [branch-name]

• Test the code

Vote functions should work as before.

What to Check

Verify that the following are valid

• ...

Other Information

[mikkelhegn]

LGTM