update submissions and ora2 versions

requirements/edx/github.txt

@@ -41,8 +41,8 @@ git+https://github.com/edx/lettuce.git@0.2.20.002#egg=lettuce==0.2.20.002
 -e git+https://github.com/edx/event-tracking.git@0.2.1#egg=event-tracking==0.2.1
 -e git+https://github.com/edx/django-splash.git@ammar/upgrade-to-django1.8#egg=django-splash==0.2
 -e git+https://github.com/edx/acid-block.git@e46f9cda8a03e121a00c7e347084d142d22ebfb7#egg=acid-xblock
--e git+https://github.com/edx/edx-ora2.git@mzfr/django18-from-release#egg=ora2==0.2.2
--e git+https://github.com/edx/edx-submissions.git@django-upgrade/1.8#egg=edx-submissions==0.1.2
+-e git+https://github.com/edx/edx-ora2.git@0.2.2#egg=ora2==0.2.2
+-e git+https://github.com/edx/edx-submissions.git@0.1.2#egg=edx-submissions==0.1.2
 -e git+https://github.com/edx/opaque-keys.git@27dc382ea587483b1e3889a3d19cbd90b9023a06#egg=opaque-keys
 git+https://github.com/edx/ease.git@release-2015-07-14#egg=ease==0.1.3
 git+https://github.com/edx/i18n-tools.git@v0.1.3#egg=i18n-tools==v0.1.3
@@ -62,4 +62,4 @@ git+https://github.com/edx/edx-proctoring.git@0.11.2#egg=edx-proctoring==0.11.2
 
 # Third Party XBlocks
 -e git+https://github.com/mitodl/edx-sga@172a90fd2738f8142c10478356b2d9ed3e55334a#egg=edx-sga
--e git+https://github.com/open-craft/xblock-poll@e7a6c95c300e95c51e42bfd1eba70489c05a6527#egg=xblock-poll
\ No newline at end of file
+-e git+https://github.com/open-craft/xblock-poll@e7a6c95c300e95c51e42bfd1eba70489c05a6527#egg=xblock-poll