sms verification: bugfixes 🐛

- fixed imports
- renamed `uiSteps` to `phases` to make the distinction between
  actual (tiny) steps and visible UI steps clear
- lookup `requestTx` if request has already been sent
- change code regex to match ethcore/sms-verification@59acb73

js/src/modals/SMSVerification/SendConfirmation/sendConfirmation.js

@@ -17,10 +17,9 @@
 import React, { Component, PropTypes } from 'react';
 
 import TxHash from '../../../ui/TxHash';
-import VerificationStore from '../store';
-const {
+import {
   POSTING_CONFIRMATION, POSTED_CONFIRMATION
-} = VerificationStore;
+} from '../store';
 
 import styles from './sendConfirmation.css';