Wes Johnson a64674375e Alert - allow for hiding alert title on iOS ...

Summary:
Wanted a "message-only" alert on iOS that doesn't lead to the message being large & bolded via the title field (current state).

Before:

![screen shot 2017-08-28 at 9 22 04 pm](https://user-images.githubusercontent.com/1047502/29801514-fc3629d2-8c3d-11e7-86d5-f0a866301814.png)

After:

![screen shot 2017-08-28 at 9 26 56 pm](https://user-images.githubusercontent.com/1047502/29801521-071aa1ca-8c3e-11e7-9bd0-0a4682d81979.png)

It also aligns iOS with Android's current behaviour.

The above screenhots were generated from the `RNTester` example added herein.

Allowed for passing an empty string through to `UIAlertController.alertControllerWithTitle` so that the message could be rendered in its expected place on iOS (not as the title).

* Ran RNTester & compared example alerts before & after (below default with titles, for example)
* Ran end-to-end manual test suite (it's the only one I could get through without unrelated failures)

Before

![screen shot 2017-08-28 at 9 21 53 pm](https://user-images.githubusercontent.com/1047502/29801775-6e249ff0-8c3f-11e7-888b-2c4d5177a7d7.png)

After

![screen shot 2017-08-28 at 9 26 40 pm](https://user-images.githubusercontent.com/1047502/29801781-7270c4a8-8c3f-11e7-8b9b-59b2649646f2.png)
Closes https://github.com/facebook/react-native/pull/15685

Differential Revision: D5729420

Pulled By: hramos

fbshipit-source-id: 4866b0b24473ae35e9ebae09f2cee13a49d7717e

2017-08-30 17:16:17 -07:00

..

ActionSheetIOS

Standardize project indentation settings on 2 spaces

2017-07-31 05:20:03 -07:00

Alert

Alert - allow for hiding alert title on iOS

2017-08-30 17:16:17 -07:00

Animated

Fix React Native open source

2017-08-29 15:01:05 -07:00

AppState

Avoid race condition for AppState.currentState

2017-08-18 13:14:59 -07:00

ART

Standardize project indentation settings on 2 spaces

2017-07-31 05:20:03 -07:00

BatchedBridge

Increase information logged to MessageQueue.spy

2017-07-31 06:16:41 -07:00

Blob

Update _flowconfig

2017-08-29 04:51:09 -07:00

BugReporting

Patch up for future React Sync

2017-02-08 14:50:43 -08:00

CameraRoll

Fetching video length

2017-08-15 11:41:27 -07:00

Components

Fix React Native open source

2017-08-29 15:01:05 -07:00

Core

Expose "register devtools plugin" interface globally in React-Native

2017-08-15 12:03:40 -07:00

EventEmitter

Turn on Flow for EventEmitter

2017-08-30 11:52:28 -07:00

Experimental

Fix React Native open source

2017-08-29 15:01:05 -07:00

fishhook

Merge fishhook.xcodeproj in RCTWebSocket

2017-08-09 07:48:09 -07:00

Geolocation

iOS: Geolocation: Allow skipping of permission prompts

2017-08-29 04:23:04 -07:00

Image

Fix Image.getSize() according to image orientation

2017-08-30 00:33:44 -07:00

Inspector

Upgrade fbsource/xplat/js to Flow v0.53.0

2017-08-17 18:45:01 -07:00

Interaction

Increase information logged to MessageQueue.spy

2017-07-31 06:16:41 -07:00

JSInspector

Add Network agent

2016-11-02 12:29:15 -07:00

LayoutAnimation

Fix prop-types warning in LayoutAnimation

2017-05-12 15:06:17 -07:00

Linking

Docs: fix typo in deeplinking docs

2017-07-26 07:18:44 -07:00

LinkingIOS

Standardize project indentation settings on 2 spaces

2017-07-31 05:20:03 -07:00

Lists

Fix React Native open source

2017-08-29 15:01:05 -07:00

Modal

Upgrade fbsource/xplat/js to Flow v0.53.0

2017-08-17 18:45:01 -07:00

NativeAnimation

Standardize project indentation settings on 2 spaces

2017-07-31 05:20:03 -07:00

Network

Turn on Flow for EventEmitter

2017-08-30 11:52:28 -07:00

Performance

Gate more code with if (__DEV__) { }

2017-08-14 07:19:00 -07:00

PermissionsAndroid

Update documentation for PermissionsAndroid

2017-08-16 15:01:51 -07:00

polyfills

Use proper script way to clone Emoji files from www

2017-08-21 16:29:39 -07:00

PushNotificationIOS

Fix flowtype errors for PushNotificationIOS

2017-08-14 12:03:18 -07:00

RCTTest

Increase RCTTestRunner timeouts

2017-08-25 10:00:39 -07:00

react-native

Add Android React Native Checkbox

2017-08-25 10:30:54 -07:00

ReactNative

Fix React Native open source

2017-08-29 15:01:05 -07:00

Renderer

Fix React Native open source

2017-08-29 15:01:05 -07:00

Sample

Standardize project indentation settings on 2 spaces

2017-07-31 05:20:03 -07:00

Settings

Fix infinite recursion in RCTSettingsManager init

2017-08-09 09:39:40 -07:00

Share

Flowify Process Color

2017-04-26 11:31:56 -07:00

Storage

correctly order ASyncStorage

2017-02-21 15:18:40 -08:00

StyleSheet

Fix stylesheet registery

2017-08-23 08:54:39 -07:00

Text

Upgrade fbsource/xplat/js to Flow v0.53.0

2017-08-17 18:45:01 -07:00

Utilities

Cleanup stray markdown files, update contributing guidelines

2017-08-04 16:18:01 -07:00

vendor

Turn on Flow for EventEmitter

2017-08-30 11:52:28 -07:00

Vibration

fix and enrich Vibration docs

2017-08-23 20:45:45 -07:00

WebSocket

Expose webSocketDidOpen in RCTReconnectingWebSocket

2017-08-29 08:06:03 -07:00

.eslintrc

Disallow trailing commas in react-native-github

2017-08-17 16:20:04 -07:00

Promise.js

Don't require prettyFormat in every single bundle.

2017-06-16 04:31:56 -07:00

promiseRejectionIsError.js

RN: Cleanup OSS JS & Flow Declarations

2016-11-20 17:58:29 -08:00