Added .bat file to compile on windows

android/compile_android_unix.sh

@@ -0,0 +1,18 @@
+#!/bin/sh
+mkdir -p ../build_android && cd ../build
+
+cmake -DCMAKE_TOOLCHAIN_FILE=../android/android.toolchain.cmake -DANDROID_ABI=armeabi-v7a -DANDROID_NATIVE_API_LEVEL=android-16 -DANDROID_TOOLCHAIN_NAME=arm-linux-androideabi-4.6 ..
+make
+
+cd ../
+
+cp -r libs android/project/
+cp $ANDROID_NDK/libraries/lib/libSDL2.so android/project/libs/armeabi-v7a
+
+cd android/project
+
+android update project -p . --name OTClientMob --target android-16
+ant debug
+
+cd bin
+adb install -r OTClientMob-debug.apk