* add missing revenant death frames

* map revenant sprite (not done yet) to a mixture of the imp
  and caco fireballs (alternating, arcade-game style)

buildcfg.txt

@@ -1428,16 +1428,16 @@ CPOSE2E8	23	51
 CPOSE3E7	27	50
 CPOSE4E6	20	48
 CPOSE5	11	46
-FATBA1	9	11
-FATBA2A8	18	10
-FATBA3A7	22	9
-FATBA4A6	18	9
-FATBA5	9	11
-FATBB1	9	11
-FATBB2B8	18	10
-FATBB3B7	21	9
-FATBB4B6	18	9
-FATBB5	9	11
+FATBA1		= BAL1A0                ; revenant rocket
+FATBA2A8	= BAL1A0
+FATBA3A7	= BAL1A0
+FATBA4A6	= BAL1A0
+FATBA5	9	= BAL1A0
+FATBB1	9	= BAL2A0
+FATBB2B8	= BAL2A0
+FATBB3B7	= BAL2A0
+FATBB4B6	= BAL2A0
+FATBB5	9	= BAL2A0
 FATTA1	39	60			; mancubus
 FATTA2A8	39	61
 FATTA3A7	38	60
@@ -1576,7 +1576,7 @@ PAINJ0	39	54
 PAINK0	46	71
 PAINL0	43	71
 PAINM0	49	88
-SKELA1	21	83
+SKELA1	21	83                       ; revenant
 SKELA2A8	22	83
 SKELA3A7	22	84
 SKELA4A6	18	83
@@ -1621,6 +1621,10 @@ SKELJ0	21	72
 SKELK0	37	57
 SKELL0	40	42
 SKELM0	40	42
+SKELN0	40	42
+SKELO0	40	42
+SKELP0	40	42
+SKELQ0	40	42
 SSWVA1   18 61
 SSWVA2A8 15 64
 SSWVA3A7 11 66