Make default report more usable
Make default report more usable

- show frames / inlined / JITted / OSRed
- remove CallGraph class, it is just a Callee really
- make *all* outward facing methods using snake_case
- remove superfluous named params from TWEAKs
- Object class now named Type (they weren't object refs, but type refs)

nbrown/rakudo,rakudo/rakudo,labster/rakudo,tony-o/rakudo,tony-o/rakudo,salortiz/rakudo,softmoth/rakudo,salortiz/rakudo,tony-o/rakudo,labster/rakudo,nbrown/rakudo,rakudo/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,labster/rakudo,tbrowder/rakudo,salortiz/rakudo,salortiz/rakudo,tbrowder/rakudo,nbrown/rakudo,tony-o/rakudo,softmoth/rakudo,tbrowder/rakudo,salortiz/rakudo,softmoth/rakudo,tbrowder/rakudo,nbrown/rakudo,rakudo/rakudo,tony-o/rakudo,rakudo/rakudo,nbrown/rakudo,salortiz/rakudo,rakudo/rakudo,tony-o/rakudo,labster/rakudo,MasterDuke17/rakudo,tbrowder/rakudo,nbrown/rakudo,labster/rakudo,softmoth/rakudo,MasterDuke17/rakudo,labster/rakudo,MasterDuke17/rakudo,rakudo/rakudo,MasterDuke17/rakudo,softmoth/rakudo,tbrowder/rakudo