Merge pull request #8 from Kyle873/master

Show when the Guardian Shield and the Sentinel is active on the HUD, inc...
The Omen now has an incredibly sexy set of sprites, thanks to MartyKirra!
The Blind Guardian's health has been increased to 1000.
40% finished with the music collection for v2 of the metal jukebox.
HUD now actually works in Zandro. Will need to polish it up a bit. Sorry bros, this isn't a ZDoom-only project!
Explosive barrels have their damage increased and now have a much easier time downing mook enemies. Now just need to fill them with propane gas.
Whoops forgot to push the Omen nerfs.
Weapons no longer turn into the Acacia for a split secon.
Sentinel no longer hangs in place when the player dies.
Kharon by itself now actually works. Turns out if you don't push the required sprites the weapon simply ceases to exist.
The Hell Knight's torso no longer acts like it's from the Matrix.
The Sentinel now has authentic NES sounds.
butts.txt
The Kharon's decals are now slashes.
boop
Pinky now has a decapitation death.
Wave 2 music collection is now at 50%.
BOS2Kubiuted2 no longer causes an infinite loop online.
Potential invulnerable barrel fix. Barrels no longer require alwaysapplydmflags to be "true" to respawn so long as sv_barrelrespawn is "true". Also barrels that are destroyed and disappear while sv_barrelrespawn is "false" will now respawn if it is later set to "true."
Higher-tier attacks of the hammer now always gib enemies on death.