AppCode: minimum OS X version specified in .app

build/conf/mac/Contents/Info.plist

@@ -57,7 +57,11 @@
     @@archs@@
     <key>LSRequiresNativeExecution</key>
     <string>YES</string>
+    <key>LSMinimumSystemVersion</key>
+    <string>@@min_osx@@</string>
+
     @@url_schemes@@
+
     <key>JVMOptions</key>
     <dict>
       <key>ClassPath</key>

build/scripts/utils.gant

@@ -403,6 +403,7 @@ binding.setVariable("layoutMacApp", { String path, String ch, Map args ->
     replacefilter(token: "@@help_id@@", value: helpId)
     replacefilter(token: "@@url_schemes@@", value: urlSchemes)
     replacefilter(token: "@@archs@@", value: archs)
+    replacefilter(token: "@@min_osx@@", value: ifNull(args.min_osx, "10.6"))
   }
 
   if (executable != "idea") {