Clarify GetSureBranchTarget() for fpu branches.

They also have CONDTYPE_ flags.  Looks like this was just getting lucky
that rs can't equal rt, but the code looks confusing when you're looking
at it from an fpu/vfpu perspective.
Skip emuhacks when showing encodings in debugger.

This can cause confusion when it doesn't match the displayed disasm.
Merge https://github.com/hrydgard/ppsspp