levels: map04 skill level fixes

Easy/Normal has an added rocket launcher, enabled spider for Hard mode.
Easy has a rocket launcher and demon swarm.

DM items were adjusted, including allowing a door to open from the
other side and adding DMN starts + weapons.
This commit is contained in:
Catoptromancy 2014-10-03 12:52:48 -07:00 committed by Mike Swanson
parent c1ea99b483
commit 0c380612a9

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