Revert "Merge branch 'unstable'"

This reverts commit 929c337e8b, reversing
changes made to b9bc73fd01.

gns3server/modules/base_manager.py

@@ -407,25 +407,6 @@ class BaseManager:
             return os.path.basename(path)
         return path
 
-    @asyncio.coroutine
-    def list_images(self):
-        """
-        Return the list of available images for this VM type
-
-        :returns: Array of hash
-        """
-
-        try:
-            files = os.listdir(self.get_images_directory())
-        except FileNotFoundError:
-            return []
-        files.sort()
-        images = []
-        for filename in files:
-            if filename[0] != ".":
-                images.append({"filename": filename})
-        return images
-
     def get_images_directory(self):
         """
         Get the image directory on disk

gns3server/modules/virtualbox/__init__.py

@@ -160,7 +160,7 @@ class VirtualBox(BaseManager):
                 continue
 
     @asyncio.coroutine
-    def list_images(self):
+    def get_list(self):
         """
         Gets VirtualBox VM list.
         """