Drop Dead: Remains gets updated (to v1.0.4!)

Drop Dead: Remains (inside Drop Dead Collection) gets updated to v1.0.4. Here's what's new:

v1.0.4 (20-Jun-2021):

- removed a reference to kongregate.com from instructions screen

- rotating pillow ball, box and triangle don't cause damage any more

- rotating ball doesn't emit saw sounds any more

- changing the ragdoll while editing a level forces the editor to make a backup of the level data

   so the changes are not lost any more

- https and file URLs should work now with Metamorpheus and background music

   (Windows: "c:\BGM\music.mp3" -> "file:///c:/BGM/music.mp3"). remember not

   to use file URL if you want to put your level into level database as file URL

   doesn't work for other people, only http and https work for everybody.

- added T-Rex (shift+2 in the editor) from Drop Dead 3.

- added God of Pain (shift+2 in the editor) from Drop Dead 2.

- if the player burned when saving the level then when loading the level the

   character doesn't burn any more

More updates later...