pgsql-server: Detect locale/encoding mismatch in initdb, or pick a

Log Message:
-----------
Detect locale/encoding mismatch in initdb, or pick a suitable encoding
automatically if none was specified.

Modified Files:
--------------
pgsql-server:
configure (r1.377 -> r1.378)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/configure.diff?r1=1.377&r2=1.378)
configure.in (r1.366 -> r1.367)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/configure.in.diff?r1=1.366&r2=1.367)
pgsql-server/doc/src/sgml/ref:
initdb.sgml (r1.30 -> r1.31)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/src/sgml/ref/initdb.sgml.diff?r1=1.30&r2=1.31)
pgsql-server/src/bin/initdb:
initdb.c (r1.42 -> r1.43)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/bin/initdb/initdb.c.diff?r1=1.42&r2=1.43)
pgsql-server/src/include:
pg_config.h.in (r1.78 -> r1.79)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/include/pg_config.h.in.diff?r1=1.78&r2=1.79)