OKTA-242002-JWT iOS SDK: Add Carthage support

Author: IldarAbdullin-okta

.travis.yml

@@ -1,6 +1,5 @@
 language: objective-c
-osx_image: xcode10
-
+osx_image: xcode10.1
 xcode_project: OktaJWT.xcodeproj
 xcode_scheme: OktaJWT
-xcode_destination: platform=iOS Simulator,name=iPhone 8,OS=latest
+xcode_destination: platform=iOS Simulator,OS=latest,name=iPhone 8

OktaJWT.xcodeproj/project.pbxproj

@@ -681,6 +681,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				INFOPLIST_FILE = "$(SRCROOT)/Tests/OktaJWTTestSuite/Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -701,6 +702,7 @@
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				INFOPLIST_FILE = "$(SRCROOT)/Tests/OktaJWTTestSuite/Info.plist";
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -768,6 +770,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "$(SRCROOT)/Framework/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -796,6 +799,7 @@
 				DYLIB_INSTALL_NAME_BASE = "@rpath";
 				INFOPLIST_FILE = "$(SRCROOT)/Framework/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",