Ensure gcx.Nil gets initialized.
Correct Nil handling.
Add nqp::p6scalarfromdesc op on JVM backend.
Tease apart scalar init and default value.
Start switching over to nqp::p6scalarfromdesc.
Fix a thinko to blame for most regressions.
Parrot implementation of nqp::p6scalarfromdesc.
Missing decont; gets is_default.t passing.
Clean up variable traits.

This avoids trying to parse type name stringification!
Fix some missing type-checking in typed arrays.
Remove dead code
Merge branch 'scalar-from-desc' into nom