drop abstract domain socket

fix MTU

use abstract namespace

refine dns resolve

refine the IPC to tun2socks

fix a UI issue

Merge pull request shadowsocks#334 from shadowsocks/android-ipc

Improve the compatibility by using IPC

Merge pull request shadowsocks#330 from shadowsocks/unix-socket

Pass the file descriptor through unix domain socket

disable fake proc name

bump version