Fixed #715, and some misc cleanup.

app/templates/modal/revert.jade

@@ -11,6 +11,3 @@ block modal-body-content
           | #{model.type()}: #{model.get('name')}
         td
           button(value=model.id, data-i18n="editor.revert") Revert
-
-block modal-footer-content
-  button.btn(data-dismiss="modal", data-i18n="common.cancel") Cancel

app/views/editor/level/systems_tab_view.coffee

@@ -159,11 +159,12 @@ class LevelSystemNode extends TreemaObjectNode
     name = "#{@system.get('name')} v#{@system.get('version').major}"
     @buildValueForDisplaySimply valEl, "#{name}"
 
-  onEnterPressed: ->
+  onEnterPressed: (e) ->
+    super e
     Backbone.Mediator.publish 'edit-level-system', original: @data.original, majorVersion: @data.majorVersion
 
-  open: ->
-    super()
+  open: (depth) ->
+    super depth
     cTreema = @childrenTreemas.config
     if cTreema? and (cTreema.getChildren().length or cTreema.canAddChild())
       cTreema.open()

app/views/kinds/CocoView.coffee

@@ -210,7 +210,6 @@ module.exports = class CocoView extends Backbone.View
     return unless elem.data('toggle') is 'coco-modal'
     target = elem.data('target')
     view = application.router.getView(target, '_modal') # could set up a system for loading cached modals, if told to
-    console.log "got target", target, "which gave view", view
     @openModalView(view)
 
   openModalView: (modalView, softly=false) ->

app/views/modal/revert_modal.coffee

@@ -5,16 +5,16 @@ CocoModel = require 'models/CocoModel'
 module.exports = class RevertModal extends ModalView
   id: 'revert-modal'
   template: template
-  
+
   events:
     'click #changed-models button': 'onRevertModel'
-    
+
   onRevertModel: (e) ->
     id = $(e.target).val()
     CocoModel.backedUp[id].revert()
     $(e.target).closest('tr').remove()
     @reloadOnClose = true
-  
+
   getRenderData: ->
     c = super()
     models = _.values CocoModel.backedUp
@@ -23,5 +23,4 @@ module.exports = class RevertModal extends ModalView
     c
 
   onHidden: ->
-    console.log 'reload?', @reloadOnClose
     location.reload() if @reloadOnClose