Merge branch 'release/0.0.21'

Author: cwacek

requirements.txt

@@ -1,7 +1,5 @@
 Markdown==2.4
 inflection==0.2.0
-jsonpatch==1.13
-jsonpointer==1.10
 jsonschema==2.3.0
 pandocfilters==1.2
 six>=1.5.2

tox.ini

@@ -8,10 +8,6 @@ commands = coverage run {envbindir}/py.test {posargs}
            coverage html --omit=*test* --include=*python_jsonschema_objects*
 deps =
   -rrequirements.txt
-  nose
   coverage
-  rednose
-  https://github.com/cwacek/sure/tarball/master
-  https://github.com/delfick/nose-of-yeti/tarball/master
   pytest