replace imports of q with bluebird

update `package.json`

```
find src test -name '*.js' |
    xargs perl -i -pe 'if (/require\(.[qQ].\)/) { $_ = "import Promise from '\''bluebird'\'';\n"; }'

find src test -name '*.js' |
    xargs perl -i -pe 'if (/import [qQ] /) { $_ = "import Promise from '\''bluebird'\'';\n"; }'
```

src/vector/index.js

@@ -65,7 +65,7 @@ var sdk = require("matrix-react-sdk");
 const PlatformPeg = require("matrix-react-sdk/lib/PlatformPeg");
 sdk.loadSkin(require('../component-index'));
 var VectorConferenceHandler = require('../VectorConferenceHandler');
-var q = require('q');
+import Promise from 'bluebird';
 var request = require('browser-request');
 import * as UserSettingsStore from 'matrix-react-sdk/lib/UserSettingsStore';
 import * as languageHandler from 'matrix-react-sdk/lib/languageHandler';

src/vector/platform/ElectronPlatform.js

@@ -20,7 +20,7 @@ limitations under the License.
 import VectorBasePlatform, {updateCheckStatusEnum} from './VectorBasePlatform';
 import dis from 'matrix-react-sdk/lib/dispatcher';
 import { _t } from 'matrix-react-sdk/lib/languageHandler';
-import q from 'q';
+import Promise from 'bluebird';
 import {remote, ipcRenderer} from 'electron';
 import rageshake from '../rageshake';
 

src/vector/platform/WebPlatform.js

@@ -21,7 +21,7 @@ import VectorBasePlatform, {updateCheckStatusEnum} from './VectorBasePlatform';
 import request from 'browser-request';
 import dis from 'matrix-react-sdk/lib/dispatcher.js';
 import { _t } from 'matrix-react-sdk/lib/languageHandler';
-import q from 'q';
+import Promise from 'bluebird';
 
 import url from 'url';
 import UAParser from 'ua-parser-js';

src/vector/rageshake.js

@@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import q from "q";
+import Promise from 'bluebird';
 
 // This module contains all the code needed to log the console, persist it to
 // disk and submit bug reports. Rationale is as follows:

src/vector/submit-rageshake.js

@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 import pako from 'pako';
-import q from "q";
+import Promise from 'bluebird';
 
 import MatrixClientPeg from 'matrix-react-sdk/lib/MatrixClientPeg';
 import PlatformPeg from 'matrix-react-sdk/lib/PlatformPeg';