Added missing icon for iPad Pro.

Updated App Store certificate (public) UUID.

ios/iOS-Info.plist

@@ -78,6 +78,7 @@
                 <string>AppIcon72x72@2x~ipad.png</string>
                 <string>AppIcon76x76~ipad.png</string>
                 <string>AppIcon76x76@2x~ipad.png</string>
+                <string>AppIcon83.5x83.5@2x~ipad.png</string>
             </array>
         </dict>
     </dict>

ios/iOSForAppStore-Info-Source.plist

@@ -47,6 +47,7 @@
                 <string>AppIcon72x72@2x~ipad.png</string>
                 <string>AppIcon76x76~ipad.png</string>
                 <string>AppIcon76x76@2x~ipad.png</string>
+                <string>AppIcon83.5x83.5@2x~ipad.png</string>
             </array>
         </dict>
     </dict>

ios/qgroundcontrol_appstore.xcconfig

 CODE_SIGN_IDENTITY = "iPhone Distribution";
-PROVISIONING_PROFILE = 11a5f941-2284-40f1-95ad-50005b648377;
+PROVISIONING_PROFILE = f22bae36-10c2-4fd8-b6f1-c83e47765614;
 CLANG_WARN_BOOL_CONVERSION = YES;
 CLANG_WARN_CONSTANT_CONVERSION = YES;
 CLANG_WARN_EMPTY_BODY = YES;