Integrate methods of `NameOps` directly in `Name`.
Integrate methods of `NameOps` directly in `Name`.

Now that there are no more implicit conversion from `String` to
`Name`s, we can safely put those methods directly in `Name`, which
is better for performance and readability. Previously, doing so
would cause ambiguous implicit conversions between those and
`Predef.augmentString`.

scala/scala,lrytz/scala,lrytz/scala,scala/scala,scala/scala,lrytz/scala,scala/scala,lrytz/scala,scala/scala,scala/scala,lrytz/scala,lrytz/scala