Clean up reqs

- pip freeze
- Combine docs/requirements.txt with requirements.txt (No need for separate reqs if top-level calls sub-level.)

docs/requirements.txt

@@ -1,2 +0,0 @@
-Sphinx
-sphinx-rtd-theme

requirements.txt

@@ -1,11 +1,24 @@
-# Testing and documentation requirements
 -e .
--r docs/requirements.txt
+Babel==2.2.0
-coveralls
+Jinja2==2.8
-nose
+MarkupSafe==0.23
-nose-cov
+Pygments==2.1.3
-pep8
+Sphinx==1.3.6
-pyflakes
+alabaster==0.7.7
-check-manifest
+check-manifest==0.31
-pyroma
+cov-core==1.15.0
-jarn.viewdoc
+coverage==4.0.3
+coveralls==1.1
+docopt==0.6.2
+docutils==0.12
+jarn.viewdoc==1.7
+nose-cov==1.6
+nose==1.3.7
+pep8==1.7.0
+pyflakes==1.1.0
+pyroma==2.0.2
+pytz==2016.2
+requests==2.9.1
+six==1.10.0
+snowballstemmer==1.2.1
+sphinx-rtd-theme==0.1.9