SDL submodule: iOS

.travis.yml

@@ -72,12 +72,6 @@ matrix:
       - os: osx
         env: TARGET=iOS
         language: c
-        before_install:
-          - cd SDL2
-          - wget https://www.libsdl.org/release/SDL2-2.0.5.zip
-          - unzip SDL2-2.0.5.zip
-          - mv SDL2-2.0.5/* .
-          - cd ..
         script:
           - cd ios/SDLPal
           - xcodebuild ONLY_ACTIVE_ARCH=NO CODE_SIGNING_ALLOWED="NO"

ios/SDLPal/SDLPal.xcodeproj/project.pbxproj

@@ -336,7 +336,7 @@
 		716552AD195BBE7D006E1227 /* AudioToolbox.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = AudioToolbox.framework; path = System/Library/Frameworks/AudioToolbox.framework; sourceTree = SDKROOT; };
 		716552AF195BBECE006E1227 /* QuartzCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = QuartzCore.framework; path = System/Library/Frameworks/QuartzCore.framework; sourceTree = SDKROOT; };
 		71AA357F1A0BCA4E00793FFF /* util.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = util.m; sourceTree = "<group>"; };
-		C622BE4E1E474AAF000C8970 /* SDL.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = SDL.xcodeproj; path = "../../SDL2/Xcode-iOS/SDL/SDL.xcodeproj"; sourceTree = "<group>"; };
+		C622BE4E1E474AAF000C8970 /* SDL.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = SDL.xcodeproj; path = "../../3rd/SDL/Xcode-iOS/SDL/SDL.xcodeproj"; sourceTree = "<group>"; };
 		C622BE641E474B5E000C8970 /* audio.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = audio.c; path = ../../../audio.c; sourceTree = "<group>"; };
 		C622BE651E474B5E000C8970 /* audio.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = audio.h; path = ../../../audio.h; sourceTree = "<group>"; };
 		C622BE6A1E474C01000C8970 /* palcfg.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; name = palcfg.c; path = ../../../palcfg.c; sourceTree = "<group>"; };