Merge pull request #162 from chanzuckerberg/csweaver/require

Trimming out secondary dependencies from requirements

server/requirements.txt

@@ -1,42 +1,11 @@
-aniso8601==3.0.2
 anndata==0.6.1
-certifi==2018.4.16
-chardet==3.0.4
-click==6.7
-cycler==0.10.0
-decorator==4.3.0
 Flask==0.12.4
 Flask-Caching==1.4.0
 Flask-Compress==1.4.0
 Flask-Cors==3.0.6
 Flask-RESTful==0.3.6
 flask-restful-swagger-2==0.35
-h5py==2.8.0
-idna==2.7
-itsdangerous==0.24
-Jinja2==2.10
-joblib==0.12.0
-kiwisolver==1.0.1
-llvmlite==0.23.2
-MarkupSafe==1.0
-matplotlib==2.2.2
-natsort==5.3.2
-networkx==2.1
-numba==0.38.1
-numexpr==2.6.5
 numpy==1.14.5
 pandas==0.23.1
-patsy==0.5.0
-pyparsing==2.2.0
-python-dateutil==2.7.3
-pytz==2018.4
-requests==2.19.1
 scanpy==1.0.4
-scikit-learn==0.19.1
 scipy==1.1.0
-seaborn==0.8.1
-six==1.11.0
-statsmodels==0.9.0
-tables==3.4.4
-urllib3==1.23
-Werkzeug==0.14.1