Updated the deployment targets to iOS 8.0 and OS X 10.9.

This was somehow lost when merging the Swift 1.2 branch into master. Either way, this commit sets them back to the proper target to work with all means of deployment.

Alamofire.xcodeproj/project.pbxproj

@@ -415,8 +415,9 @@
 				);
 				INFOPLIST_FILE = "$(SRCROOT)/Source/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				PRODUCT_NAME = Alamofire;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
@@ -437,8 +438,9 @@
 				FRAMEWORK_VERSION = A;
 				INFOPLIST_FILE = "$(SRCROOT)/Source/Info.plist";
 				INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				PRODUCT_NAME = Alamofire;
 				SDKROOT = macosx;
 				SKIP_INSTALL = YES;
@@ -621,8 +623,9 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
 			};
@@ -639,8 +642,9 @@
 					"$(inherited)",
 				);
 				INFOPLIST_FILE = Tests/Info.plist;
+				IPHONEOS_DEPLOYMENT_TARGET = 8.0;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				MACOSX_DEPLOYMENT_TARGET = 10.9;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SDKROOT = macosx;
 			};