TryGhost/Ghost — pull request #4071 by ErisDS (2014-09-19 15:56:34+00:00)
Title: Revert "update CodeMirror 4.5.0"

closes #4047 and reverts TryGhost/Ghost#4022

- This is necessary due to odd behaviour being experienced, we didn't have those reports on the old version, so lets revert this for now and revisit post-release.