Fixed the Shroom sprite collision height for later use.
Added support for detecting collision between two specific map objects at the scripting level.
Added support to trigger a ... trigger only through events.
Finished the second elbrus grotto map.
Added new portraits from Anthony44. Thanks a lot to him :D
Added a trigger sound.
Added a stone bump sound effect.
Added the missing stone roll sound effect.
Removed the silence at the end of the normal battle music.