Fixes level ownership check

app/templates/editor/level/modal/artisan-guide-modal.jade

@@ -6,7 +6,7 @@ block modal-header-content
 block modal-body-content
   p
     | Welcome to the Artisan Compendium. Below you will find a series of helpful guides and tutorials for getting your levels to Master Artisan quality
-    if view.creator === view.meID
+    if view.hasOwnership()
       |, as well as a way to submit your level for official Artisan review
     |! If you have any feedback on the Level Editor, please contact us at: 
     a(href='mailto:artisans@codecombat.com') artisans@codecombat.com
@@ -17,7 +17,7 @@ block modal-body-content
       a(href='https://github.com/codecombat/codecombat/wiki/Artisan-How-To-Index', target='_blank') Basic How-tos
     div
       a(href='http://direct.codecombat.com/community', target='_blank') Artisan Rankings
-  if view.creator === view.meID
+  if view.hasOwnership()
     h4 Level Submission
     p
       | Do you want your level to be added to the campaign? Please take a moment to fill out the questions below! Don’t worry, this isn’t a timed quiz. It is just a way for the artisans at CodeCombat HQ to get a feel for the purpose of this level. If it doesn’t quite yet meet our standards for release we will give you feedback to help polish it further!
@@ -38,5 +38,5 @@ block modal-body-content
 block modal-footer-content
   div
     a(href='#', data-dismiss="modal", aria-hidden="true").btn Close
-    if view.creator === view.meID
+    if view.hasOwnership()
       button.btn.btn-primary#level-submit Submit

app/views/editor/level/modals/ArtisanGuideModal.coffee

@@ -28,8 +28,6 @@ module.exports = class ArtisanGuideModal extends ModalView
     @options = 
       level:@level.get('name')
       levelSlug:@level.get('slug')
-    @creator = @level.get 'creator'
-    @meID = me.id
 
   levelSubmit: ->
     @playSound 'menu-button-click'
@@ -53,3 +51,9 @@ module.exports = class ArtisanGuideModal extends ModalView
       context.browser = "#{$.browser.platform} #{$.browser.name} #{$.browser.versionNumber}"
     context.screenSize = "#{screen?.width ? $(window).width()} x #{screen?.height ? $(window).height()}"
     context.screenshotURL = @screenshotURL
+
+  hasOwnership: ->
+    for permObj in @level.get('permissions')
+      if permObj.target is me.id and permObj.access is 'owner'
+        return true
+    return false