Update URL to Docbook DSSSL stylesheets, per Gabriele Bartolini.
Update URL to Docbook DSSSL stylesheets, per Gabriele Bartolini.

lisakowen/gpdb,jmcatamney/gpdb,Postgres-XL/Postgres-XL,ashwinstar/gpdb,oberstet/postgres-xl,xinzweb/gpdb,yuanzhao/gpdb,techdragon/Postgres-XL,adam8157/gpdb,Chibin/gpdb,xinzweb/gpdb,oberstet/postgres-xl,greenplum-db/gpdb,pavanvd/postgres-xl,kmjungersen/PostgresXL,postmind-net/postgres-xl,Chibin/gpdb,Chibin/gpdb,tpostgres-projects/tPostgres,techdragon/Postgres-XL,Postgres-XL/Postgres-XL,postmind-net/postgres-xl,edespino/gpdb,oberstet/postgres-xl,yuanzhao/gpdb,arcivanov/postgres-xl,jmcatamney/gpdb,edespino/gpdb,lisakowen/gpdb,ashwinstar/gpdb,arcivanov/postgres-xl,lisakowen/gpdb,Chibin/gpdb,jmcatamney/gpdb,xinzweb/gpdb,snaga/postgres-xl,arcivanov/postgres-xl,jmcatamney/gpdb,techdragon/Postgres-XL,yazun/postgres-xl,Postgres-XL/Postgres-XL,ashwinstar/gpdb,xinzweb/gpdb,adam8157/gpdb,oberstet/postgres-xl,arcivanov/postgres-xl,adam8157/gpdb,tpostgres-projects/tPostgres,50wu/gpdb,Chibin/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,Chibin/gpdb,ovr/postgres-xl,Chibin/gpdb,yazun/postgres-xl,50wu/gpdb,ashwinstar/gpdb,yuanzhao/gpdb,lisakowen/gpdb,yuanzhao/gpdb,snaga/postgres-xl,jmcatamney/gpdb,ashwinstar/gpdb,adam8157/gpdb,adam8157/gpdb,Chibin/gpdb,pavanvd/postgres-xl,greenplum-db/gpdb,zeroae/postgres-xl,tpostgres-projects/tPostgres,zeroae/postgres-xl,techdragon/Postgres-XL,50wu/gpdb,jmcatamney/gpdb,yuanzhao/gpdb,edespino/gpdb,50wu/gpdb,greenplum-db/gpdb,ovr/postgres-xl,techdragon/Postgres-XL,arcivanov/postgres-xl,yuanzhao/gpdb,ashwinstar/gpdb,kmjungersen/PostgresXL,snaga/postgres-xl,adam8157/gpdb,adam8157/gpdb,postmind-net/postgres-xl,lisakowen/gpdb,Postgres-XL/Postgres-XL,arcivanov/postgres-xl,tpostgres-projects/tPostgres,edespino/gpdb,snaga/postgres-xl,pavanvd/postgres-xl,edespino/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,Postgres-XL/Postgres-XL,greenplum-db/gpdb,pavanvd/postgres-xl,kmjungersen/PostgresXL,50wu/gpdb,ovr/postgres-xl,edespino/gpdb,edespino/gpdb,Chibin/gpdb,postmind-net/postgres-xl,Chibin/gpdb,yuanzhao/gpdb,yazun/postgres-xl,ashwinstar/gpdb,xinzweb/gpdb,edespino/gpdb,tpostgres-projects/tPostgres,lisakowen/gpdb,pavanvd/postgres-xl,yazun/postgres-xl,50wu/gpdb,zeroae/postgres-xl,adam8157/gpdb,ovr/postgres-xl,greenplum-db/gpdb,yazun/postgres-xl,zeroae/postgres-xl,lisakowen/gpdb,snaga/postgres-xl,xinzweb/gpdb,50wu/gpdb,yuanzhao/gpdb,greenplum-db/gpdb,xinzweb/gpdb,edespino/gpdb,yuanzhao/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,50wu/gpdb,kmjungersen/PostgresXL,jmcatamney/gpdb,ovr/postgres-xl,zeroae/postgres-xl,kmjungersen/PostgresXL,oberstet/postgres-xl,edespino/gpdb,lisakowen/gpdb,xinzweb/gpdb