pgsql-server: Add: > * Allow moving system tables to other tablespaces,

Log Message:
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Add:

* Allow moving system tables to other tablespaces, where possible

Modified Files:
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pgsql-server/doc:
TODO (r1.1293 -> r1.1294)
(http://developer.postgresql.org/cvsweb.cgi/pgsql-server/doc/TODO.diff?r1=1.1293&r2=1.1294)