No symlink for ACE (#1423)

* No Symlink

* Fix JS syntax error

lib/gollum/public/gollum/javascript/HOWTO_UPDATE_ACE.md

@@ -1,8 +1,11 @@
+Current ACE version: 1.4.6
+
 # How to update the ACE editor component
 
 1. Download a new ACE release from (ajax.org/ace-builds)[https://github.com/ajaxorg/ace-builds/releases].
-2. Extract the `src-min-noconflict` folder from the archive and rename it to `ace-x.y.z`, where `x.y.z` matches exactly the release version.
-3. Place the version in the javascript directory
-4. Update the symlink 'ace' to point to the new version
-5. Test if the editor works.
+2. Extract the `src-min-noconflict` folder from the archive and rename it to `ace`
+3. Rename the current `ace` folder to `ace-old`
+3. Place the new version in the javascript directory
+4. Test if the editor works.
 6. Remove the old version
+7. Update the version info in this file

lib/gollum/public/gollum/javascript/ace

@@ -1 +0,0 @@
-ace-1.4.6/