Make a cut at a major-features list for 9.2.
Make a cut at a major-features list for 9.2.

This is open to debate of course, but it's past time we had *something*
here.

50wu/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,oberstet/postgres-xl,jmcatamney/gpdb,ashwinstar/gpdb,yazun/postgres-xl,ashwinstar/gpdb,oberstet/postgres-xl,jmcatamney/gpdb,lisakowen/gpdb,xinzweb/gpdb,oberstet/postgres-xl,xinzweb/gpdb,lisakowen/gpdb,techdragon/Postgres-XL,pavanvd/postgres-xl,lisakowen/gpdb,adam8157/gpdb,yazun/postgres-xl,lisakowen/gpdb,Postgres-XL/Postgres-XL,adam8157/gpdb,ovr/postgres-xl,50wu/gpdb,zeroae/postgres-xl,greenplum-db/gpdb,lisakowen/gpdb,xinzweb/gpdb,ovr/postgres-xl,ashwinstar/gpdb,50wu/gpdb,adam8157/gpdb,lisakowen/gpdb,zeroae/postgres-xl,xinzweb/gpdb,jmcatamney/gpdb,greenplum-db/gpdb,ashwinstar/gpdb,ashwinstar/gpdb,ovr/postgres-xl,zeroae/postgres-xl,lisakowen/gpdb,jmcatamney/gpdb,oberstet/postgres-xl,pavanvd/postgres-xl,xinzweb/gpdb,jmcatamney/gpdb,Postgres-XL/Postgres-XL,techdragon/Postgres-XL,adam8157/gpdb,yazun/postgres-xl,greenplum-db/gpdb,ashwinstar/gpdb,ovr/postgres-xl,zeroae/postgres-xl,adam8157/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,greenplum-db/gpdb,adam8157/gpdb,ashwinstar/gpdb,techdragon/Postgres-XL,xinzweb/gpdb,pavanvd/postgres-xl,pavanvd/postgres-xl,jmcatamney/gpdb,greenplum-db/gpdb,yazun/postgres-xl,greenplum-db/gpdb,techdragon/Postgres-XL,oberstet/postgres-xl,techdragon/Postgres-XL,ovr/postgres-xl,50wu/gpdb,50wu/gpdb,Postgres-XL/Postgres-XL,zeroae/postgres-xl,50wu/gpdb,adam8157/gpdb,greenplum-db/gpdb,adam8157/gpdb,xinzweb/gpdb,lisakowen/gpdb,50wu/gpdb,Postgres-XL/Postgres-XL,ashwinstar/gpdb,xinzweb/gpdb,yazun/postgres-xl,50wu/gpdb,pavanvd/postgres-xl