3.3 release

1. Portable to Android platform. just setting NDK_HOME environment variable, then make:
   $ export NDK_HOME=/path/to/ndk
   $ android=yes make clean all

   Then push qsh and qshd to your Android device:
   $ adb push qsh /data/local/tmp/
   $ adb push qshd /data/local/tmp/

2. Now can set PORT before run qshd:
   $ export _PORT=1080
   $ ./qshd

3. You can customize owner version, just change some HLEN_X macro in config.h