add iOS 9 support

Author: mbi88

UserReport.podspec

@@ -61,7 +61,7 @@ Pod::Spec.new do |s|
   #  the deployment target. You can optionally include the target after the platform.
   #
 
-  s.platform     = :ios, "10.0"
+  s.platform     = :ios, "9.0"
 
 
   # ――― Source Location ―――――――――――――――――――――――――――――――――――――――――――――――――――――――――― #

UserReport/UserReport/UI/SurveyViewController.swift

@@ -137,7 +137,11 @@ internal class SurveyViewController: UIViewController, WKNavigationDelegate, WKS
             if let url = navigationAction.request.url {
                 let shared = UIApplication.shared
                 if shared.canOpenURL(url) {
-                    shared.open(url, options: [:], completionHandler: nil)
+                    if #available(iOS 10.0, *) {
+                        shared.open(url, options: [:], completionHandler: nil)
+                    } else {
+                        shared.openURL(url)
+                    }
                 }
             }
             decisionHandler(.cancel)

UserReport/UserReportSDK.xcodeproj/project.pbxproj

@@ -433,7 +433,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -490,7 +490,7 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
@@ -512,7 +512,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = UserReport/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.userreport;
 				PRODUCT_NAME = "$(TARGET_NAME)";
@@ -533,7 +533,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = UserReport/Info.plist;
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
-				IPHONEOS_DEPLOYMENT_TARGET = 10.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = com.userreport;
 				PRODUCT_NAME = "$(TARGET_NAME)";