PIG-4259: Fix few issues related to Union, CROSS and auto parallelism in Tez (PIG-4259-fixwindowstest.patch)
PIG-4259: Fix few issues related to Union, CROSS and auto parallelism in Tez (PIG-4259-fixwindowstest.patch)

git-svn-id: c4d08399a8c07badad33cbf13a0909bacb78f41f@1636976 13f79535-47bb-0310-9956-ffa450edef68

ibmsoe/pig,netxillon/pig,asonipsl/pig,mapr/pig,likaiwalkman/pig,ljl1988com/pig,ibmsoe/pig,asonipsl/pig,wisgood/pig,faspl/pig,kang2015/pig,faspl/pig,hliu2/pig,kang2015/pig,Altiscale/pig,ibmsoe/pig,alpinedatalabs/pig,Altiscale/pig,kexianda/pig,kang2015/pig,ljl1988com/pig,mapr/pig,kang2015/pig,kexianda/pig,asonipsl/pig,likaiwalkman/pig,netxillon/pig,dongjiaqiang/pig,netxillon/pig,jcamachor/pigreuse,kang2015/pig,faspl/pig,jcamachor/pigreuse,hliu2/pig,likaiwalkman/pig,ibmsoe/pig,kellyzly/pig,Altiscale/pig,alpinedatalabs/pig,ibmsoe/pig,jcamachor/pigreuse,ibmsoe/pig,asonipsl/pig,likaiwalkman/pig,wisgood/pig,ljl1988com/pig,asonipsl/pig,kellyzly/pig,ljl1988com/pig,ljl1988com/pig,jcamachor/pigreuse,kexianda/pig,alpinedatalabs/pig,wisgood/pig,kang2015/pig,likaiwalkman/pig,jcamachor/pigreuse,faspl/pig,kexianda/pig,likaiwalkman/pig,jcamachor/pigreuse,hliu2/pig,netxillon/pig,kellyzly/pig,dongjiaqiang/pig,dongjiaqiang/pig,wisgood/pig,jcamachor/pigreuse,dongjiaqiang/pig,netxillon/pig,hliu2/pig,dongjiaqiang/pig,hliu2/pig,alpinedatalabs/pig,mapr/pig,ljl1988com/pig,mapr/pig,mapr/pig,faspl/pig,ljl1988com/pig,kexianda/pig,wisgood/pig,hliu2/pig,faspl/pig,Altiscale/pig,mapr/pig,netxillon/pig,kellyzly/pig,ibmsoe/pig,asonipsl/pig,kexianda/pig,wisgood/pig,kexianda/pig,wisgood/pig,kellyzly/pig,likaiwalkman/pig,Altiscale/pig,netxillon/pig,alpinedatalabs/pig,faspl/pig,Altiscale/pig,alpinedatalabs/pig,hliu2/pig,kellyzly/pig,dongjiaqiang/pig,kellyzly/pig,kang2015/pig,dongjiaqiang/pig,asonipsl/pig