[pgpool-committers: 1961] pgpool: Mega merge with EXCEPTION_MGR branch.

[Tatsuo Ishii]

Mega merge with EXCEPTION_MGR branch.

Exception manager and memory manager are incorporated from PostgreSQL.
Contributed by Muhammad Usama.

Conflicts:
	src/config/pool_config.c
	src/main/main.c

Branch
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master

Details
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http://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=6ed3bc65ae73d6de91c7c971d9b70df59262201b

Modified Files
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