Modify pgrminclude to include all code, even in #if blocks.  Process .h include files before .c files.
Modify pgrminclude to include all code, even in #if blocks.  Process
.h include files before .c files.

Mark some includes as needed to be ignored by pgrminclude.

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