Add changelogs for the CMS and LMS

cms/CHANGELOG.md

+Instructions
+============
+For each pull request, add one or more lines to the bottom of the change list. When
+code is released to production, change the `Upcoming` entry to todays date, and add
+a new block at the bottom of the file
+
+    Upcoming
+    --------
+
+
+Changes
+=======
+
+Upcoming
+--------
+* Created changelog
\ No newline at end of file

lms/CHANGELOG.md

+Instructions
+============
+For each pull request, add one or more lines to the bottom of the change list. When
+code is released to production, change the `Upcoming` entry to todays date, and add
+a new block at the bottom of the file
+
+    Upcoming
+    --------
+
+
+Changes
+=======
+
+Upcoming
+--------
+* Created changelog
\ No newline at end of file