fix #2867 added i18n to some words of lvl save form

app/locale/en.coffee

@@ -1217,6 +1217,7 @@
   delta:
     added: "Added"
     modified: "Modified"
+    not_modified: "Not Modified"
     deleted: "Deleted"
     moved_index: "Moved Index"
     text_diff: "Text Diff"

app/templates/editor/level/save.jade

@@ -1,7 +1,14 @@
 extends /templates/editor/modal/save-version-modal
 
 block modal-body-content
-  h3= "Level: " + level.get('name') + " - " + (levelNeedsSave ? "Modified" : "Not Modified")
+  h3
+    span(data-i18n="resources.level") Level
+    span=": " + level.get('name') + " - "
+    if levelNeedsSave
+        span(data-i18n="delta.modified") Modified
+    else
+        span(data-i18n="delta.not_modified") Not Modified
+
   if levelNeedsSave
     .changes-stub
     form#save-level-form.form-inline
@@ -23,7 +30,9 @@ block modal-body-content
 
   each component in modifiedComponents
     - var id = component.get('_id')
-    h4= "Component: " + component.get('system') + '.' + component.get('name')
+    h4
+      span(data-i18n="resources.component") Component
+      span= ": " + component.get('system') + '.' + component.get('name')
     .changes-stub
     form.form-inline.component-form(id="save-component-" + id + "-form")
       input(name="component-original", type="hidden", value=component.get('original'))
@@ -41,7 +50,9 @@ block modal-body-content
 
   each system in modifiedSystems
     - var id = system.get('_id')
-    h4= "System: " + system.get('name')
+    h4
+      span(data-i18n="resources.system") System
+      span= ": " + system.get('name')
     .changes-stub
     form.form-inline.system-form(id="save-system-" + id + "-form")
       input(name="system-original", type="hidden", value=system.get('original'))