Use tag for CKEditor-CodeMirror-Plugin

uw_base_profile.make

@@ -2117,8 +2117,7 @@ libraries[ckeditor][directory_name] = "ckeditor"
 ; https://github.com/w8tcha/CKEditor-CodeMirror-Plugin
 libraries[codemirror][download][type] = "git"
 libraries[codemirror][download][url] = "https://git.uwaterloo.ca/libraries/CKEditor-CodeMirror-Plugin.git"
-libraries[codemirror][download][branch] = "master"
-libraries[codemirror][download][revision] = "457d266f"
+libraries[codemirror][download][tag] = "v1.12+11-dev-uw_wcms1"
 libraries[codemirror][directory_name] = "codemirror"
 
 ; Colorbox