[gnucash/f18] (5 commits) ...Undo the de-vendorization and guile1.8 changes for F18

[Bill Nottingham]

Summary of changes:

  36426d6... Set guile buildreq to < 2.0 in prep for https://fedoraproje (*)
  5763b0e... - Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass (*)
  c68cfcc... Add epoch to guile buildreq (*)
  bb41c63... Update to 2.4.13. (*)
  3f50cb8... Undo the de-vendorization and guile1.8 changes for F18

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