Update min deployment target for all iOS targets to 9.0.

Configurations/SocketRocket-iOS-Dynamic.xcconfig

@@ -12,6 +12,6 @@
 
 PRODUCT_NAME = SocketRocket
 PRODUCT_BUNDLE_IDENTIFIER = com.facebook.socketrocket.ios
-IPHONEOS_DEPLOYMENT_TARGET = 8.0
+IPHONEOS_DEPLOYMENT_TARGET = 9.0
 
 INFOPLIST_FILE = $(SRCROOT)/SocketRocket/Resources/Info.plist

Configurations/SocketRocket-iOS.xcconfig

@@ -12,7 +12,7 @@
 
 PRODUCT_NAME = SocketRocket
 PRODUCT_BUNDLE_IDENTIFIER = com.facebook.socketrocket.ios
-IPHONEOS_DEPLOYMENT_TARGET = 6.0
+IPHONEOS_DEPLOYMENT_TARGET = 9.0
 
 INFOPLIST_FILE = $(SRCROOT)/SocketRocket/Resources/Info.plist
 

Configurations/SocketRocketTests-iOS.xcconfig

@@ -14,6 +14,6 @@ PRODUCT_NAME = SocketRocketTests-iOS
 PRODUCT_MODULE_NAME = SocketRocketTests
 PRODUCT_BUNDLE_IDENTIFIER = com.facebook.socketrocket.tests.ios
 
-IPHONEOS_DEPLOYMENT_TARGET = 7.0
+IPHONEOS_DEPLOYMENT_TARGET = 9.0
 
 INFOPLIST_FILE = $(SRCROOT)/Tests/Resources/Info.plist

Configurations/TestChat-iOS.xcconfig

@@ -14,6 +14,6 @@ PRODUCT_NAME = TestChat
 PRODUCT_MODULE_NAME = TestChat
 PRODUCT_BUNDLE_IDENTIFIER = com.facebook.socketrocket.testchat
 
-IPHONEOS_DEPLOYMENT_TARGET = 8.0
+IPHONEOS_DEPLOYMENT_TARGET = 9.0
 
 INFOPLIST_FILE = $(SRCROOT)/TestChat/TestChat-Info.plist