REPL verbose load

[scabug]

When loading a file, it would be nice to be able to witness what is loaded.

It's freaky to see results for anonymous or incognito exprs.

How about :load -v?

[scabug]

Imported From: https://issues.scala-lang.org/browse/SI-8922?orig=1
Reporter: @som-snytt
Affected Versions: 2.11.2

[scabug]

@som-snytt said:
scala/scala#4058