[subversion/f21] (4 commits) ...prevents assert()ions in library code (#1058693)

[jorton]

Summary of changes:

  0d19e6b... Perl 5.20 rebuild (*)
  31859da... move svn-bench, fsfs-* to -tools (*)
  855d57b... drop sysv conversion trigger (#1133786) (*)
  ace894f... prevents assert()ions in library code (#1058693) (*)

(*) This commit already existed in another branch; no separate mail sent