SI-7624 Fix a few remaining -Xlint warnings ...
in various places. This includes actors, compiler (mostly some new
macro parts) continuations, partest, scaladoc, scalap.
SI-7624 Replace new{Term,Type}Name with {Term,Type}Name
SI-7624 Fix -feature warnings in scala/tools/scalap

... and move scalap.scala.tools.scalap.scalax.rules to
scalap.scala.tools.scalap.rules now that all the Monad/Functor/
Applicatve/... stuff has been removed.
Whitespace fixes in scala/tools/scalap