Use Webpack Aliases (#3711)

* Adds aliases to Webpack Build

* Use `ui` Webpack alias

* Use `views` alias

* Use `modals` aliase

* Use `providers` aliase

* Use `contracts` aliase

* Use '~' aliase

* from `ui` to from `~/ui`

* from  to from

* from `modals` to from `~/modals`

* from `providers` to from `~/redux/providers`

* from `contracts` to from `~/contracts`

* Updated Webpack App config

js/src/modals/DeployContract/ParametersStep/parametersStep.js

@@ -31,7 +31,7 @@
 
 import React, { Component, PropTypes } from 'react';
 
-import { Form, TypedInput } from '../../../ui';
+import { Form, TypedInput } from '~/ui';
 import { parseAbiType } from '../../../util/abi';
 
 import styles from '../deployContract.css';