Remove throw/catch from iasm.c
Normalize indentation in iasm.c
Replace iasm error table with string literals
iasm STATIC -> static
Remove prototypes for undefined and unreferenced functions
Normalize iasm brace placement
Put else and if on the same line in iasm
Remove references to I16
Replace opnd_calloc and opnd_free with new/delete
Remove typedef wrappers around structs
TRUE/FALSE -> true/false
Merge pull request #3317 from yebblies/iasm

[cleanup] Begin modernizing iasm.c