Bug #352 - PG HEAD ("9.5") support

- INT64_FORMAT refactoring
- set_config_option() has more parms

Branch
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REL_2_1_STABLE

Details
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http://git.postgresql.org/gitweb?p=slony1-engine.git;a=commitdiff;h=15962cbd3e9c44b5418a5ed6138843a7a4ed4f81

Modified Files
--------------
RELEASE                    |    4 ++++
config.h.in                |    1 +
config/acx_libpq.m4        |   10 ++++++++++
src/backend/slony1_funcs.c |   28 ++++++++++++++++++++++------
src/slon/slon.h            |    2 ++
src/slon/types.h           |    4 ++++
src/slonik/types.h         |    4 ++++
7 files changed, 47 insertions(+), 6 deletions(-)