Add re-compilation feature to decompilation view

[mborgerson]

To achieve decompilation of a binary closer, or possibly identical, to original source and to discover subtle bugs in re-implementation, I've automated a simple workflow of adjusting source + compiling + binary diffing. I think this could make for a useful angr-management feature.

A new option to the pseudocode view would be added that allows the user to enable re-compilation and specify compiler options. Whenever a tweak is made that prompts pseudocode regeneration, it is automatically recompiled and a diff against the original is displayed.

What my script displays: