i18n updates

Also restores conf/locale, which is needed for the i18n update scripts

conf/locale

@@ -0,0 +1 @@
+../openassessment/locale/

openassessment/locale/ar/LC_MESSAGES/djangojs.po

@@ -15,7 +15,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: edx-platform\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2017-07-14 13:12+0000\n"
+"POT-Creation-Date: 2017-08-03 15:55+0000\n"
 "PO-Revision-Date: 2017-06-02 17:49+0000\n"
 "Last-Translator: Eric Fischer <[email protected]>\n"
 "Language-Team: Arabic (http://www.transifex.com/open-edx/edx-platform/language/ar/)\n"
@@ -332,18 +332,18 @@ msgstr "خيار غير مسمّى "
 msgid "Not Selected"
 msgstr "لم يجرِ تحديده"
 
-#: openassessment/xblock/static/js/openassessment-studio.min.js:2
-#: openassessment/xblock/static/js/src/studio/oa_edit.js:149
+#: openassessment/xblock/static/js/openassessment-studio.min.js:1
+#: openassessment/xblock/static/js/src/studio/oa_edit.js:145
 msgid "Couldn't Save This Assignment"
 msgstr "تعذّر حفظ هذا الواجب."
 
-#: openassessment/xblock/static/js/openassessment-studio.min.js:2
-#: openassessment/xblock/static/js/src/studio/oa_edit.js:150
+#: openassessment/xblock/static/js/openassessment-studio.min.js:1
+#: openassessment/xblock/static/js/src/studio/oa_edit.js:146
 msgid "Please correct the outlined fields."
 msgstr "يُرجى تصحيح الحقول المحدّدة."
 
-#: openassessment/xblock/static/js/openassessment-studio.min.js:2
-#: openassessment/xblock/static/js/src/studio/oa_edit.js:184
+#: openassessment/xblock/static/js/openassessment-studio.min.js:1
+#: openassessment/xblock/static/js/src/studio/oa_edit.js:180
 msgid ""
 "This problem has already been released. Any changes will apply only to "
 "future assessments."