This was caused by added this dependency in the code without adding the links to the sandbox and demo
Change-Id: I7b2f0129a28dfd8655dfbce8688cfb3920c690fd
* This high level surface object is responsible for creating & managing editor instances
* Revised Sandbox demo to invoke in this way.
Change-Id: I4043779af9a2ab964deaf26079a992e82ebeef27
* Configured VisualEditorSandbox to use es
* Reconfigured the ce demo to share the sandbox module
* Removed es demo
* Renamed ce demo to ve (es is broken anyways)
Patchset 2: squashed in https://gerrit.wikimedia.org/r/3953
Change-Id: If8d13bf7011616d222be78899b23186859d5ed70