Tidy up requirements - see #305

.travis.yml

@@ -38,4 +38,3 @@ matrix:
   allow_failures:
     - env: DJANGO='https://github.com/django/django/archive/master.tar.gz'
   fast_finish: true
-

requirements/maintainer.txt

@@ -4,14 +4,11 @@ Babel==2.2.0
 backports.ssl-match-hostname==3.4.0.2
 bumpversion==0.5.3
 certifi==2015.9.6.2
-coverage==3.7.1
-django-discover-runner==1.0
 docutils==0.12
 funcsigs==0.4
 Jinja2==2.8
 livereload==2.4.0
 MarkupSafe==0.23
-mock==1.3.0
 pathtools==0.1.2
 pbr==1.7.0
 pkginfo==1.2.1
@@ -23,7 +20,6 @@ requests-toolbelt==0.6.0
 six==1.9.0
 snowballstemmer==1.2.1
 Sphinx==1.3.6
-sphinx-autobuild==0.5.2
 sphinx-rtd-theme==0.1.9
 tornado==4.2.1
 twine==1.6.5

requirements/test.txt

@@ -1,5 +1,5 @@
+-r maintainer.txt
 coverage==3.7.1
 django-discover-runner
 mock
 sphinx-autobuild
-Django==1.9.7

requirements/travis-ci.txt

@@ -1,3 +1 @@
-django-discover-runner
-mock
-coverage==3.7.1
+-r test.txt