Makefile cleanup.
Makefile cleanup.

foyzur/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,50wu/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,rubikloud/gpdb,yuanzhao/gpdb,jmcatamney/gpdb,edespino/gpdb,CraigHarris/gpdb,jmcatamney/gpdb,lisakowen/gpdb,lintzc/gpdb,yazun/postgres-xl,Postgres-XL/Postgres-XL,randomtask1155/gpdb,zaksoup/gpdb,xinzweb/gpdb,rubikloud/gpdb,greenplum-db/gpdb,ovr/postgres-xl,rubikloud/gpdb,ovr/postgres-xl,chrishajas/gpdb,Postgres-XL/Postgres-XL,Chibin/gpdb,0x0FFF/gpdb,atris/gpdb,cjcjameson/gpdb,atris/gpdb,lpetrov-pivotal/gpdb,ahachete/gpdb,CraigHarris/gpdb,foyzur/gpdb,tangp3/gpdb,zaksoup/gpdb,janebeckman/gpdb,zeroae/postgres-xl,adam8157/gpdb,zaksoup/gpdb,Chibin/gpdb,edespino/gpdb,Chibin/gpdb,zaksoup/gpdb,tpostgres-projects/tPostgres,Quikling/gpdb,lisakowen/gpdb,tangp3/gpdb,randomtask1155/gpdb,atris/gpdb,lintzc/gpdb,kaknikhil/gpdb,xinzweb/gpdb,chrishajas/gpdb,pavanvd/postgres-xl,50wu/gpdb,CraigHarris/gpdb,cjcjameson/gpdb,yuanzhao/gpdb,edespino/gpdb,zeroae/postgres-xl,Quikling/gpdb,yazun/postgres-xl,xinzweb/gpdb,ovr/postgres-xl,royc1/gpdb,kaknikhil/gpdb,kaknikhil/gpdb,Quikling/gpdb,xuegang/gpdb,zeroae/postgres-xl,0x0FFF/gpdb,xuegang/gpdb,arcivanov/postgres-xl,ashwinstar/gpdb,50wu/gpdb,chrishajas/gpdb,greenplum-db/gpdb,greenplum-db/gpdb,zaksoup/gpdb,edespino/gpdb,arcivanov/postgres-xl,yuanzhao/gpdb,ahachete/gpdb,randomtask1155/gpdb,yuanzhao/gpdb,edespino/gpdb,janebeckman/gpdb,50wu/gpdb,CraigHarris/gpdb,adam8157/gpdb,ashwinstar/gpdb,chrishajas/gpdb,lpetrov-pivotal/gpdb,randomtask1155/gpdb,greenplum-db/gpdb,cjcjameson/gpdb,adam8157/gpdb,adam8157/gpdb,postmind-net/postgres-xl,CraigHarris/gpdb,greenplum-db/gpdb,rvs/gpdb,kaknikhil/gpdb,yazun/postgres-xl,kaknikhil/gpdb,janebeckman/gpdb,ahachete/gpdb,yuanzhao/gpdb,oberstet/postgres-xl,rvs/gpdb,yuanzhao/gpdb,janebeckman/gpdb,pavanvd/postgres-xl,adam8157/gpdb,lpetrov-pivotal/gpdb,tangp3/gpdb,0x0FFF/gpdb,Chibin/gpdb,janebeckman/gpdb,0x0FFF/gpdb,kaknikhil/gpdb,lpetrov-pivotal/gpdb,tpostgres-projects/tPostgres,cjcjameson/gpdb,ovr/postgres-xl,janebeckman/gpdb,ahachete/gpdb,chrishajas/gpdb,yuanzhao/gpdb,techdragon/Postgres-XL,kaknikhil/gpdb,rvs/gpdb,oberstet/postgres-xl,pavanvd/postgres-xl,lintzc/gpdb,yuanzhao/gpdb,rvs/gpdb,royc1/gpdb,xinzweb/gpdb,xuegang/gpdb,lisakowen/gpdb,0x0FFF/gpdb,xinzweb/gpdb,foyzur/gpdb,CraigHarris/gpdb,postmind-net/postgres-xl,chrishajas/gpdb,snaga/postgres-xl,adam8157/gpdb,edespino/gpdb,oberstet/postgres-xl,Quikling/gpdb,pavanvd/postgres-xl,chrishajas/gpdb,xinzweb/gpdb,cjcjameson/gpdb,foyzur/gpdb,ahachete/gpdb,atris/gpdb,foyzur/gpdb,pavanvd/postgres-xl,rubikloud/gpdb,adam8157/gpdb,ashwinstar/gpdb,CraigHarris/gpdb,randomtask1155/gpdb,zaksoup/gpdb,edespino/gpdb,postmind-net/postgres-xl,oberstet/postgres-xl,royc1/gpdb,tangp3/gpdb,xinzweb/gpdb,atris/gpdb,snaga/postgres-xl,kmjungersen/PostgresXL,cjcjameson/gpdb,arcivanov/postgres-xl,lisakowen/gpdb,Chibin/gpdb,lpetrov-pivotal/gpdb,kaknikhil/gpdb,tpostgres-projects/tPostgres,lpetrov-pivotal/gpdb,snaga/postgres-xl,Chibin/gpdb,lintzc/gpdb,kaknikhil/gpdb,kmjungersen/PostgresXL,edespino/gpdb,xuegang/gpdb,50wu/gpdb,cjcjameson/gpdb,snaga/postgres-xl,tangp3/gpdb,yazun/postgres-xl,0x0FFF/gpdb,xuegang/gpdb,atris/gpdb,Chibin/gpdb,randomtask1155/gpdb,jmcatamney/gpdb,snaga/postgres-xl,janebeckman/gpdb,ashwinstar/gpdb,rvs/gpdb,ashwinstar/gpdb,lintzc/gpdb,xuegang/gpdb,Postgres-XL/Postgres-XL,jmcatamney/gpdb,jmcatamney/gpdb,kaknikhil/gpdb,tangp3/gpdb,tpostgres-projects/tPostgres,royc1/gpdb,ashwinstar/gpdb,rvs/gpdb,yuanzhao/gpdb,rubikloud/gpdb,arcivanov/postgres-xl,lisakowen/gpdb,ahachete/gpdb,yazun/postgres-xl,techdragon/Postgres-XL,0x0FFF/gpdb,postmind-net/postgres-xl,greenplum-db/gpdb,zaksoup/gpdb,xuegang/gpdb,foyzur/gpdb,lintzc/gpdb,50wu/gpdb,lintzc/gpdb,Quikling/gpdb,atris/gpdb,kmjungersen/PostgresXL,lisakowen/gpdb,ovr/postgres-xl,0x0FFF/gpdb,oberstet/postgres-xl,cjcjameson/gpdb,janebeckman/gpdb,royc1/gpdb,kmjungersen/PostgresXL,Chibin/gpdb,ahachete/gpdb,zeroae/postgres-xl,royc1/gpdb,xuegang/gpdb,janebeckman/gpdb,jmcatamney/gpdb,tangp3/gpdb,Quikling/gpdb,rvs/gpdb,Quikling/gpdb,rubikloud/gpdb,xinzweb/gpdb,janebeckman/gpdb,CraigHarris/gpdb,tangp3/gpdb,Quikling/gpdb,zaksoup/gpdb,rvs/gpdb,Quikling/gpdb,kmjungersen/PostgresXL,royc1/gpdb,techdragon/Postgres-XL,atris/gpdb,tpostgres-projects/tPostgres,adam8157/gpdb,Postgres-XL/Postgres-XL,arcivanov/postgres-xl,edespino/gpdb,jmcatamney/gpdb,Quikling/gpdb,royc1/gpdb,lintzc/gpdb,randomtask1155/gpdb,edespino/gpdb,Chibin/gpdb,greenplum-db/gpdb,foyzur/gpdb,techdragon/Postgres-XL,lintzc/gpdb,rubikloud/gpdb,chrishajas/gpdb,foyzur/gpdb,lisakowen/gpdb,rubikloud/gpdb,greenplum-db/gpdb,rvs/gpdb,lpetrov-pivotal/gpdb,Chibin/gpdb,rvs/gpdb,cjcjameson/gpdb,ahachete/gpdb,techdragon/Postgres-XL,postmind-net/postgres-xl,50wu/gpdb,zeroae/postgres-xl,cjcjameson/gpdb,lpetrov-pivotal/gpdb,yuanzhao/gpdb,lisakowen/gpdb,xuegang/gpdb,50wu/gpdb,ashwinstar/gpdb,CraigHarris/gpdb,randomtask1155/gpdb