Change deployment target to macOS 10.10

writeas.xcodeproj/project.pbxproj

@@ -315,6 +315,7 @@
 				DEVELOPMENT_TEAM = TPPAB4YBA6;
 				INFOPLIST_FILE = writeas/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = com.abunchtell.writeas.pad;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 3.0;
@@ -330,6 +331,7 @@
 				DEVELOPMENT_TEAM = TPPAB4YBA6;
 				INFOPLIST_FILE = writeas/Info.plist;
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
 				PRODUCT_BUNDLE_IDENTIFIER = com.abunchtell.writeas.pad;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SWIFT_VERSION = 3.0;