- Added xcodeenv: experimental support to build iOS apps through Nix

- Moved mobile development tools into a separate folder

pkgs/development/mobile/xcodeenv/simulate-app.nix

@@ -0,0 +1,17 @@
+{stdenv, xcodewrapper}:
+{name, app, device ? "iPhone", baseDir ? ""}:
+
+stdenv.mkDerivation {
+  inherit name;
+  buildCommand = ''
+    ensureDir $out/bin
+    cat > $out/bin/run-test-simulator << "EOF"
+    #! ${stdenv.shell} -e
+
+    cd ${app}/${baseDir}/${name}.app
+    "$(readlink "${xcodewrapper}/bin/iPhone Simulator")" -SimulateApplication ./${name} -SimulateDevice '${device}'
+    EOF
+    chmod +x $out/bin/run-test-simulator
+  '';
+}
+