removed some old cruft from fracture-cl.
decompile -> decompileFunction, and related changes.
Removed fracture-autodis from tool set that will compile by default.
Call the decompile explicitly before printing instructions.
Modified ARMIREmitter visitCALL to add the function's address as a
StringRef Attribute.
Added accessor to Disassembler to return the current section.
Added decompile function which will auto-recurse down the call stack of a function.
Added a first-pass recursive descent decompile routine.