Changing the edx-submission repo version to the latest commit.

TNL-1125

requirements/edx/base.txt

@@ -152,6 +152,3 @@ PyContracts==1.7.1
 analytics-python==0.4.4
 
 git+https://github.com/mfogel/django-settings-context-processor.git
-
-# edX packages
-edx-submissions==0.0.8

requirements/edx/github.txt

@@ -29,6 +29,7 @@ git+https://github.com/mitocw/django-cas.git@60a5b8e5a62e63e0d5d224a87f0b489201a
 -e git+https://github.com/edx-solutions/django-splash.git@7579d052afcf474ece1239153cffe1c89935bc4f#egg=django-splash
 -e git+https://github.com/edx/acid-block.git@e46f9cda8a03e121a00c7e347084d142d22ebfb7#egg=acid-xblock
 -e git+https://github.com/edx/edx-ora2.git@release-2015-01-05T12.24#egg=edx-ora2
+-e git+https://github.com/edx/edx-submissions.git@7d19adcc49045b225aa55441604928905b018b30#egg=edx-submissions
 -e git+https://github.com/edx/opaque-keys.git@1254ed4d615a428591850656f39f26509b86d30a#egg=opaque-keys
 -e git+https://github.com/edx/ease.git@97de68448e5495385ba043d3091f570a699d5b5f#egg=ease
 -e git+https://github.com/edx/i18n-tools.git@56f048af9b6868613c14aeae760548834c495011#egg=i18n-tools