Adds basic README

README.md

+# pydtn
+
+pydtn is a python module for simulating delay tolerant networks.
+
+Table of Contents:
+* [Installation](#installation)
+* [Development](#development)
+
+## Installation
+
+pydtn has been run with Python 3.4 and 3.6.
+
+To install pydtn, simply:
+```
+$ pip install git+https://git.cs.usask.ca/discus/pydtn.git
+```
+
+## Usage
+
+There are examples in the `examples/` directory.
+
+## Development
+
+Clone the repository via ssh:
+```
+$ git clone git@git.cs.usask.ca:discus/pydtn.git
+```
+or via https:
+```
+$ git clone https://git.cs.usask.ca/discus/pydtn.git
+```
+
+Then install the package and it's dependencies:
+```
+$ cd pydtn
+$ pip install --editable .
+```