update install guide

docs/setup.md

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+# Setup LAVA
+
+## Ubuntu 64-bit 16.04.4
+The following install steps worked on 6/29/2019 with LAVA commit [c55bf1826ef9855a621f2652b30f16ac75b19cb6](https://github.com/panda-re/lava/commit/c55bf1826ef9855a621f2652b30f16ac75b19cb6).
+
+- Download and install [Ubuntu 64-bit 16.04.6](http://releases.ubuntu.com/16.04/ubuntu-16.04.6-desktop-amd64.iso) (SHA1 A09607901183AB25C675626024AA402663FA2558, MD5: 5416371CC0E990871746DDAAC89F1A5E).
+- `sudo add-apt-repository ppa:phulin/panda`
+- `sudo cp /etc/apt/sources.list /etc/apt/sources.list~`
+- `sudo sed -Ei 's/^# deb-src /deb-src /' /etc/apt/sources.list`
+- `sudo apt-get update`
+- `sudo apt-get install python-pip git protobuf-compiler protobuf-c-compiler libprotobuf-c0-dev libprotoc-dev python-protobuf libelf-dev libcapstone-dev libdwarf-dev python-pycparser llvm-3.3 clang-3.3 libc++-dev libwiretap-dev libwireshark-dev odb`
+- `sudo apt-get build-dep qemu`
+- `pip install colorama`
+- `cd ~/Desktop`
+- `git clone https://github.com/panda-re/lava.git`
+- `cd ~/Desktop/lava`
+- `python2 setup.py`
+
+## Updated
+
+- build Docker container with `docker/Dockerfile`
+- use `scripts/docker-shell.sh` to enter docker container
+- inside Docker container, run `python setup_container.py` to build lavaTools
+- exit Docker container, and run `python setup_postgres.py` and `init-host.py`