Consolidate all custom colors and material-ui colors into a colors module

packages/website/ts/components/inputs/address_input.tsx

@@ -1,6 +1,6 @@
 import {addressUtils} from '@0xproject/utils';
 import * as _ from 'lodash';
-import {colors} from 'material-ui/styles';
+import {colors} from 'ts/utils/colors';
 import TextField from 'material-ui/TextField';
 import * as React from 'react';
 import {RequiredLabel} from 'ts/components/ui/required_label';