Refactoring of virtual targets.

- Drop separate 'suffix' field in file targets. Store suffix as part of
  the name' field. This avoids the need to copy the suffix field and the
  name everywhere.
- Do not pass generated targets to constructor of 'action'. Instead,
  pass the acton to constructor of target.


[SVN r26778]

tools/build

@@ -1 +1 @@
-Subproject commit d67b94f85a2293e035496e33502f3c7c077ab851
+Subproject commit f4b06edc2751216b332408c4eebbc289ab43cdba