Merge pull request OpenBazaar#320 from dionyziz/vagrant_requirements

Vagrant now uses requirements.txt

Vagrantfile

@@ -38,7 +38,7 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.provision "shell", inline: <<-SCRIPT
     apt-get update
     apt-get install -y build-essential python-dev python-pip python-zmq sqlite3 libjpeg-dev zlib1g-dev tor privoxy gnupg rng-tools mongodb-clients libssl-dev
-    pip install tornado Twisted pycountry pillow python-gnupg mock qrcode requests python-obelisk ipy pyelliptic miniupnpc pysqlcipher 
+    pip install -r requirements.txt
     #easy_install sqlite3dbm websocket behave
     easy_install sqlite_dbm websocket behave pybitcointools
     cp -R /vagrant/ecdsa /usr/local/lib/python2.7/dist-packages/