Remove use of deprecated React.PropTypes

Replace all uses of React.PropTypes with PropTypes and importing PropTypes from
'prop-types'.

src/components/views/settings/AddPhoneNumber.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import { _t } from '../../../languageHandler';
 
 import sdk from '../../../index';
@@ -26,8 +27,8 @@ export default withMatrixClient(React.createClass({
     displayName: 'AddPhoneNumber',
 
     propTypes: {
-        matrixClient: React.PropTypes.object.isRequired,
-        onThreepidAdded: React.PropTypes.func,
+        matrixClient: PropTypes.object.isRequired,
+        onThreepidAdded: PropTypes.func,
     },
 
     getInitialState: function() {

src/components/views/settings/ChangeAvatar.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 const React = require('react');
+import PropTypes from 'prop-types';
 const MatrixClientPeg = require("../../../MatrixClientPeg");
 const sdk = require('../../../index');
 import { _t } from '../../../languageHandler';
@@ -22,13 +23,13 @@ import { _t } from '../../../languageHandler';
 module.exports = React.createClass({
     displayName: 'ChangeAvatar',
     propTypes: {
-        initialAvatarUrl: React.PropTypes.string,
-        room: React.PropTypes.object,
+        initialAvatarUrl: PropTypes.string,
+        room: PropTypes.object,
         // if false, you need to call changeAvatar.onFileSelected yourself.
-        showUploadSection: React.PropTypes.bool,
-        width: React.PropTypes.number,
-        height: React.PropTypes.number,
-        className: React.PropTypes.string,
+        showUploadSection: PropTypes.bool,
+        width: PropTypes.number,
+        height: PropTypes.number,
+        className: PropTypes.string,
     },
 
     Phases: {

src/components/views/settings/ChangePassword.js

@@ -17,6 +17,7 @@ limitations under the License.
 'use strict';
 
 const React = require('react');
+import PropTypes from 'prop-types';
 const MatrixClientPeg = require("../../../MatrixClientPeg");
 const Modal = require("../../../Modal");
 const sdk = require("../../../index");
@@ -30,16 +31,16 @@ import sessionStore from '../../../stores/SessionStore';
 module.exports = React.createClass({
     displayName: 'ChangePassword',
     propTypes: {
-        onFinished: React.PropTypes.func,
-        onError: React.PropTypes.func,
-        onCheckPassword: React.PropTypes.func,
-        rowClassName: React.PropTypes.string,
-        rowLabelClassName: React.PropTypes.string,
-        rowInputClassName: React.PropTypes.string,
-        buttonClassName: React.PropTypes.string,
-        confirm: React.PropTypes.bool,
+        onFinished: PropTypes.func,
+        onError: PropTypes.func,
+        onCheckPassword: PropTypes.func,
+        rowClassName: PropTypes.string,
+        rowLabelClassName: PropTypes.string,
+        rowInputClassName: PropTypes.string,
+        buttonClassName: PropTypes.string,
+        confirm: PropTypes.bool,
         // Whether to autoFocus the new password input
-        autoFocusNewPasswordInput: React.PropTypes.bool,
+        autoFocusNewPasswordInput: PropTypes.bool,
     },
 
     Phases: {

src/components/views/settings/DevicesPanel.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 import classNames from 'classnames';
 
 import sdk from '../../../index';
@@ -207,5 +208,5 @@ export default class DevicesPanel extends React.Component {
 
 DevicesPanel.displayName = 'MemberDeviceInfo';
 DevicesPanel.propTypes = {
-    className: React.PropTypes.string,
+    className: PropTypes.string,
 };

src/components/views/settings/DevicesPanelEntry.js

@@ -15,6 +15,7 @@ limitations under the License.
 */
 
 import React from 'react';
+import PropTypes from 'prop-types';
 
 import sdk from '../../../index';
 import { _t } from '../../../languageHandler';
@@ -88,8 +89,8 @@ export default class DevicesPanelEntry extends React.Component {
 }
 
 DevicesPanelEntry.propTypes = {
-    device: React.PropTypes.object.isRequired,
-    onDeviceToggled: React.PropTypes.func,
+    device: PropTypes.object.isRequired,
+    onDeviceToggled: PropTypes.func,
 };
 
 DevicesPanelEntry.defaultProps = {