Add instructions for environment setup

environment_setup.txt added

environment_setup.txt

@@ -0,0 +1,21 @@
+1. Use the pip tool to install virtualenv
+
+http://docs.python-guide.org/en/latest/dev/virtualenvs/
+
+2. Create a virtual environment in an empty directory: 
+
+virtualenv -p <path to python3 executable> <path to empty directory>
+
+3. cd into the directory you just created a virtual environment in, and clone our GitHub repo
+
+4. Activate the virtual environment 
+
+source bin/activate
+
+5. cd into the repository root directory, install all dependencies using pip
+
+pip -r requirements.txt
+
+6. All set!
+
+