Adding .sql files for .v84
commit 0d1781229fd3cc6a2abac083174166945d08ed7f  did not
update xxid and introduce a 1.2 base_funcs file for v.84
even thought it brought over a 8.4 compatibility mode

Branch
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REL_1_2_STABLE

Details
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http://git.postgresql.org/gitweb?p=slony1-engine.git;a=commitdiff;h=bc480a4eefe236016b8eac31486b7b083aea1912

Modified Files
--------------
src/backend/Makefile            |    7 ++-
src/backend/slony1_base.v84.sql |   12 +++
src/xxid/Makefile               |    3 +-
src/xxid/xxid.v84.sql           |  185 +++++++++++++++++++++++++++++++++++++++
4 files changed, 205 insertions(+), 2 deletions(-)