Add docs on black boxing
Add docs for "prototypesAndProperties".
Merge pull request #12 from MHordecki/b795979

Add docs for a new packet type "prototypesAndProperties".
Remove the isBlackBoxed property from frame forms, add the source property
Merge remote-tracking branch 'jimb/master' into blackbox

Conflicts:
	protocol
Merge Benvie's documentation for eval options.
Fix up anchor for Debugger.Frame.prototype.eval.
Merge/tweak fitzgen's black-boxing protocol changes.
Updates docs to include types for JS values not representable by JSON (Infinity, -Infinity, NaN, -0)