Update edx-lint to get updated pylintrc for Meta

It's silly to have to shut up pylint for "class Meta" all the time.

pylintrc

@@ -73,7 +73,7 @@ class-attribute-rgx = ([A-Za-z_][A-Za-z0-9_]{2,30}|(__.*__))$
 inlinevar-rgx = [A-Za-z_][A-Za-z0-9_]*$
 good-names = f,i,j,k,db,ex,Run,_,__
 bad-names = foo,bar,baz,toto,tutu,tata
-no-docstring-rgx = __.*__|test_.+|setUp|tearDown
+no-docstring-rgx = __.*__$|test_.+|setUp$|setUpClass$|tearDown$|tearDownClass$|Meta$
 docstring-min-length = -1
 
 [FORMAT]
@@ -152,4 +152,4 @@ int-import-graph =
 [EXCEPTIONS]
 overgeneral-exceptions = Exception
 
-# 6a610602e4c093047ed189c9a0d4ba796c7d1622
+# 503c3db797ee662a18237a57f00cb1e6e553be34

requirements/edx/github.txt

@@ -50,7 +50,7 @@ git+https://github.com/edx/edx-oauth2-provider.git@0.5.7#egg=oauth2-provider==0.
 -e git+https://github.com/pmitros/RecommenderXBlock.git@518234bc354edbfc2651b9e534ddb54f96080779#egg=recommender-xblock
 -e git+https://github.com/edx/edx-search.git@release-2015-09-11a#egg=edx-search
 git+https://github.com/edx/edx-milestones.git@release-2015-10-20#egg=edx-milestones==0.1.3
-git+https://github.com/edx/edx-lint.git@v0.2.9#egg=edx_lint==0.2.9
+git+https://github.com/edx/edx-lint.git@v0.3.0#egg=edx_lint==0.3.0
 -e git+https://github.com/edx/xblock-utils.git@213a97a50276d6a2504d8133650b2930ead357a0#egg=xblock-utils
 -e git+https://github.com/edx-solutions/xblock-google-drive.git@138e6fa0bf3a2013e904a085b9fed77dab7f3f21#egg=xblock-google-drive
 git+https://github.com/edx/edx-reverification-block.git@0.0.4#egg=edx-reverification-block==0.0.4