Tuning the dependency management model.

requirements-dev.txt

@@ -1 +1,27 @@
 -e .[dev]
+
+alabaster==0.7.10
+astroid==1.5.2
+babel==2.4.0
+coverage==4.3.4
+docutils==0.13.1
+imagesize==0.7.1
+isort==4.2.5
+jinja2==2.9.6
+lazy-object-proxy==1.2.2
+markupsafe==1.0
+mccabe==0.6.1
+py==1.4.33
+pygments==2.2.0
+pylint==1.7.1
+pytest-cov==2.4.0
+pytest-timeout==1.2.0
+pytest==3.0.7
+pytz==2017.2
+requests==2.13.0
+six==1.10.0
+snowballstemmer==1.2.1
+sphinx-rtd-theme==0.2.4
+sphinx==1.5.5
+wrapt==1.10.10
+yapf==0.16.1

requirements-jupyter.txt

@@ -0,0 +1,41 @@
+-e .[jupyter]
+
+appnope==0.1.0
+bleach==2.0.0
+decorator==4.0.11
+entrypoints==0.2.2
+html5lib==0.999999999
+ipykernel==4.6.1
+ipython-genutils==0.2.0
+ipython==6.0.0
+ipywidgets==6.0.0
+jedi==0.10.2
+jinja2==2.9.6
+jsonschema==2.6.0
+jupyter-client==5.0.1
+jupyter-console==5.1.0
+jupyter-core==4.3.0
+jupyter==1.0.0
+markupsafe==1.0
+mistune==0.7.4
+nbconvert==5.1.1
+nbformat==4.3.0
+notebook==5.0.0
+pandocfilters==1.4.1
+pexpect==4.2.1
+pickleshare==0.7.4
+prompt-toolkit==1.0.14
+ptyprocess==0.5.1
+pygments==2.2.0
+python-dateutil==2.6.0
+pyzmq==16.0.2
+qtconsole==4.3.0
+simplegeneric==0.8.1
+six==1.10.0
+terminado==0.6
+testpath==0.3
+tornado==4.5.1
+traitlets==4.3.2
+wcwidth==0.1.7
+webencodings==0.5.1
+widgetsnbextension==2.0.0