Update master to support Xcode 9.3 (#255)

Update master to support Xcode 9.3. For Xcode 9.2 support please use xcode-9.2-branch

.circleci/config.yml

@@ -2,7 +2,7 @@ version: 2
 jobs:
   build:
     macos:
-      xcode: 9.2.0
+      xcode: 9.3.0
     steps:
       - checkout
       - run: ./scripts/bluepill.sh build

Bluepill-cli/BPInstanceTests/Resource Files/simulator-preferences.plist

@@ -6,8 +6,7 @@
 	<string>en_CH</string>
 	<key>AppleLanguages</key>
 	<array>
-		<string>tlh</string>
-		<string>en-CH</string>
+		<string>en</string>
 	</array>
 </dict>
 </plist>

README.md

@@ -98,11 +98,12 @@ A full list supported options are listed here.
 
 ## Requirements
 
-Bluepill only works with **Xcode 9.2**. If you're looking for old Xcode support, please check out the other branches:
+Bluepill only works with **Xcode 9.3**. If you're looking for old Xcode support, please check out the other branches:
 
 * [Xcode-8](https://github.com/linkedin/bluepill/tree/xcode8)
 * [Xcode-9.0](https://github.com/linkedin/bluepill/tree/xcode-9.0)
 * [Xcode-9.1](https://github.com/linkedin/bluepill/tree/xcode-9.1)
+* [Xcode-9.2](https://github.com/linkedin/bluepill/tree/xcode-9.2)
 
 ## Acknowledgement
 

Source/Shared/BPConstants.h

@@ -9,9 +9,9 @@
 
 #import <Foundation/Foundation.h>
 
-#define BP_DEFAULT_RUNTIME "iOS 11.2"
+#define BP_DEFAULT_RUNTIME "iOS 11.3"
 #define BP_DEFAULT_DEVICE_TYPE "iPhone 7"
-#define BP_DEFAULT_XCODE_VERSION "Xcode 9.2"
+#define BP_DEFAULT_XCODE_VERSION "Xcode 9.3"
 #define BP_TM_PROTOCOL_VERSION 17
 #define BP_DAEMON_PROTOCOL_VERSION 24
 #define BP_MAX_PROCESSES_PERCENT 0.75