[parrot/parrot] f01373: More Makefile housekeeping. Name variables holdin...

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Branch: refs/heads/tt1893_quickcover
Home:   https://github.com/parrot/parrot

Commit: f0137362ccb008f93eb9dffe474280437786c2c4
    https://github.com/parrot/parrot/commit/f0137362ccb008f93eb9dffe474280437786c2c4
Author: jkeenan <jkeenan at cpan.org>
Date:   2010-12-15 (Wed, 15 Dec 2010)

Changed paths:
  M config/gen/makefiles/root.in

Log Message:
-----------
More Makefile housekeeping.  Name variables holding directories holding tests
'x_TESTS_DIR' throughout.