Setting up prebuilt crossbuild environment

1) Create fresh ubuntu 14.04 (Trusty Tahr) VM

http://cdimage.ubuntu.com/trusty/daily-live/current/trusty-desktop-amd64.iso

2) Install packages

    $ sudo apt-get update && sudo apt-get upgrade
    $ sudo apt-get install build-essential libgmp-dev libgmp3-dev git cmake \
        libboost-all-dev automake libtool libleveldb-dev yasm unzip lzip libminiupnpc-dev \
        mingw-w64 gcc-mingw-w64 g++-mingw-w64 binutils-mingw-w64 qtbase5-dev qt5-default

3) Install prebuilt windows dependencies

    $ git clone https://github.com/CodeShark/w64-libs.git
    $ cd w64-libs/tools
    $ sudo ./install-all ../libs /usr/x86_64-w64-mingw32
    $ cd