Vendor raptor source files (was embedded gitlink)

Tree vendored at upstream 0019c5dd; origin + license recorded in
raptor/VENDOR.txt. Windows SDL dev packages excluded via .gitignore.

raptor/SETUP(ADLIB).INI

@@ -0,0 +1,51 @@
+
+[Setup]
+Detail=1
+Control=0
+Haptic=1
+joy_ipt_MenuNew=0
+sys_midi=0
+winmm_mpu_device=0
+core_dls_synth=1
+core_midi_port=0
+alsa_output_client=128
+alsa_output_port=0
+SoundFont=SoundFont.sf2
+
+[Music]
+Volume=127
+CardType=2
+
+[SoundFX]
+Volume=127
+CardType=5
+Channels=8
+BasePort=220
+Irq=5
+Dma=1
+
+[Keyboard]
+MoveUp=72
+MoveDn=80
+MoveLeft=75
+MoveRight=77
+Fire=29
+FireSp=56
+ChangeSp=57
+MegaFire=54
+
+[Mouse]
+Fire=0
+FireSp=1
+ChangeSp=2
+
+[JoyStick]
+Fire=0
+FireSp=1
+ChangeSp=2
+MegaFire=3
+
+[Video]
+fullscreen=0
+aspect_ratio_correct=1
+txt_fullscreen=0