Changing the bundle identifier setup process (#151)

* Move MAIN_APP_BUNDLE_IDENTIFIER to a config file

* Clarify README

Author: loudnate

Documentation/Assigning a bundle identifier.png

@@ -0,0 +1,11 @@
+//
+//  Loop.xcconfig
+//  Loop
+//
+//  Created by Nate Racklyeft on 9/3/16.
+//  Copyright © 2016 Nathan Racklyeft. All rights reserved.
+//
+
+// Change this on first setup to your own unique organization identifier in
+// reverse-domain name syntax.
+MAIN_APP_BUNDLE_IDENTIFIER = com.loudnate

Documentation/Changing the display name.png

@@ -286,6 +286,7 @@
 		437CEEC71CD84CBB003C8C80 /* ReservoirVolumeHUDView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ReservoirVolumeHUDView.swift; sourceTree = "<group>"; };
 		437CEEC91CD84DB7003C8C80 /* BatteryLevelHUDView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = BatteryLevelHUDView.swift; sourceTree = "<group>"; };
 		437CEEE31CDE5C0A003C8C80 /* UIImage.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = UIImage.swift; sourceTree = "<group>"; };
+		437D9BA11D7B5203007245E8 /* Loop.xcconfig */ = {isa = PBXFileReference; lastKnownFileType = text.xcconfig; path = Loop.xcconfig; sourceTree = "<group>"; };
 		438849E91D297CB6003B3F23 /* NightscoutService.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = NightscoutService.swift; sourceTree = "<group>"; };
 		438849EB1D29EC34003B3F23 /* AmplitudeService.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AmplitudeService.swift; sourceTree = "<group>"; };
 		438849ED1D2A1EBB003B3F23 /* MLabService.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = MLabService.swift; sourceTree = "<group>"; };
@@ -484,6 +485,7 @@
 				43E2D8D21D20BF42004DA55F /* DoseMathTests */,
 				968DCD53F724DE56FFE51920 /* Frameworks */,
 				43776F8D1B8022E90074EA36 /* Products */,
+				437D9BA11D7B5203007245E8 /* Loop.xcconfig */,
 			);
 			sourceTree = "<group>";
 		};
@@ -1151,6 +1153,7 @@
 /* Begin XCBuildConfiguration section */
 		43776FB41B8022E90074EA36 /* Debug */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = 437D9BA11D7B5203007245E8 /* Loop.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
@@ -1187,7 +1190,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
-				MAIN_APP_BUNDLE_IDENTIFIER = com.loudnate.Loop;
+				MAIN_APP_BUNDLE_IDENTIFIER = "$(inherited).Loop";
 				MTL_ENABLE_DEBUG_INFO = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
@@ -1199,6 +1202,7 @@
 		};
 		43776FB51B8022E90074EA36 /* Release */ = {
 			isa = XCBuildConfiguration;
+			baseConfigurationReference = 437D9BA11D7B5203007245E8 /* Loop.xcconfig */;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
@@ -1229,7 +1233,7 @@
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				IPHONEOS_DEPLOYMENT_TARGET = 9.3;
-				MAIN_APP_BUNDLE_IDENTIFIER = com.loudnate.Loop;
+				MAIN_APP_BUNDLE_IDENTIFIER = "$(inherited).Loop";
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = iphoneos;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";

Loop.xcconfig

@@ -84,7 +84,7 @@ Fork and clone this repository so you can commit the changes you'll make below.
 
 [![Assigning a bundle identifier](/Documentation/Assigning%20a%20bundle%20identifier.png?raw=true)](/Documentation/Assigning%20a%20bundle%20identifier.png)
 
-In the Loop project's Build Settings, change the value of `MAIN_APP_BUNDLE_IDENTIFIER` to something unique. Usually this means replacing `com.loudnate` with a reverse-domain name of your choosing.
+Open `Loop.xcodeproj` in Xcode. In the Project Navigator on the left-hand side, open `Loop.xcconfig`. Change the value of `MAIN_APP_BUNDLE_IDENTIFIER` to a unique reverse-domain name of your choosing.
 
 ## Installing Carthage