Removed man pages...moved to src/man

doc/man/README

doc/man/abort.l

doc/man/alter_table.l

doc/man/begin.l

doc/man/bki.5

doc/man/built-in.3

doc/man/catalogs.3

doc/man/cleardbdir.1

doc/man/close.l

doc/man/cluster.l

doc/man/commit.l

doc/man/copy.l

doc/man/create_aggregate.l

doc/man/create_database.l

doc/man/create_function.l

doc/man/create_index.l

doc/man/create_operator.l

doc/man/create_rule.l

doc/man/create_table.l

doc/man/create_type.l