updating binder requirements

Author: choldgraf

binder/requirements.txt

@@ -1,5 +1,5 @@
 numpy
 pandas
+matplotlib
 nteract-scrapbook
 nbformat
-./

setup.py

@@ -38,7 +38,8 @@ def read_reqs(fname):
 long_description = read(os.path.join(os.path.dirname(__file__), "README.md"))
 requirements = read(os.path.join(os.path.dirname(__file__), "requirements.txt"))
 dev_reqs = read_reqs('requirements-dev.txt')
-extras_require = {"test": dev_reqs, "dev": dev_reqs}
+binder_reqs = read_reqs(os.path.join('binder', 'requirements.txt'))
+extras_require = {"test": dev_reqs, "dev": dev_reqs, "binder": binder_reqs}
 
 setup(
     name=name,