Fix ImageViewer in VTK 6.1
Fix ImageViewer in VTK 6.1

closerbibi/pcl,drmateo/pcl,KevenRing/pcl,pkuhto/pcl,the-glu/pcl,mikhail-matrosov/pcl,zhangxaochen/pcl,MMiknis/pcl,kanster/pcl,chenxingzhe/pcl,stfuchs/pcl,krips89/pcl_newfeatures,MMiknis/pcl,KevenRing/vlp,the-glu/pcl,shivmalhotra/pcl,KevenRing/pcl,nikste/pcl,mschoeler/pcl,fanxiaochen/mypcltest,starius/pcl,3dtof/pcl,starius/pcl,mschoeler/pcl,cascheberg/pcl,simonleonard/pcl,stefanbuettner/pcl,shivmalhotra/pcl,damienjadeduff/pcl,fskuka/pcl,3dtof/pcl,wgapl/pcl,DaikiMaekawa/pcl,kanster/pcl,stfuchs/pcl,shyamalschandra/pcl,fanxiaochen/mypcltest,lebronzhang/pcl,wgapl/pcl,zhangxaochen/pcl,LZRS/pcl,raydtang/pcl,shyamalschandra/pcl,locnx1984/pcl,zhangxaochen/pcl,nikste/pcl,mschoeler/pcl,krips89/pcl_newfeatures,ipa-rmb/pcl,MMiknis/pcl,wgapl/pcl,soulsheng/pcl,shyamalschandra/pcl,lebronzhang/pcl,pkuhto/pcl,wgapl/pcl,DaikiMaekawa/pcl,stefanbuettner/pcl,mikhail-matrosov/pcl,lebronzhang/pcl,krips89/pcl_newfeatures,the-glu/pcl,stfuchs/pcl,shangwuhencc/pcl,cascheberg/pcl,ResByte/pcl,drmateo/pcl,starius/pcl,locnx1984/pcl,lydhr/pcl,starius/pcl,locnx1984/pcl,DaikiMaekawa/pcl,shangwuhencc/pcl,cascheberg/pcl,sbec/pcl,drmateo/pcl,KevenRing/pcl,raydtang/pcl,MMiknis/pcl,ResByte/pcl,sbec/pcl,zhangxaochen/pcl,shyamalschandra/pcl,RufaelDev/pcc-mp3dg,lebronzhang/pcl,sbec/pcl,Tabjones/pcl,raydtang/pcl,Tabjones/pcl,simonleonard/pcl,kanster/pcl,fanxiaochen/mypcltest,KevenRing/pcl,KevenRing/vlp,nikste/pcl,LZRS/pcl,3dtof/pcl,zhangxaochen/pcl,sbec/pcl,shangwuhencc/pcl,KevenRing/vlp,shivmalhotra/pcl,MMiknis/pcl,KevenRing/vlp,ResByte/pcl,closerbibi/pcl,ResByte/pcl,lebronzhang/pcl,3dtof/pcl,shivmalhotra/pcl,the-glu/pcl,Tabjones/pcl,starius/pcl,shivmalhotra/pcl,kanster/pcl,ipa-rmb/pcl,shangwuhencc/pcl,soulsheng/pcl,pkuhto/pcl,drmateo/pcl,chenxingzhe/pcl,LZRS/pcl,damienjadeduff/pcl,closerbibi/pcl,LZRS/pcl,chenxingzhe/pcl,mikhail-matrosov/pcl,closerbibi/pcl,fanxiaochen/mypcltest,nikste/pcl,fanxiaochen/mypcltest,simonleonard/pcl,LZRS/pcl,chenxingzhe/pcl,RufaelDev/pcc-mp3dg,fskuka/pcl,stefanbuettner/pcl,Tabjones/pcl,Tabjones/pcl,soulsheng/pcl,sbec/pcl,DaikiMaekawa/pcl,shangwuhencc/pcl,krips89/pcl_newfeatures,ipa-rmb/pcl,RufaelDev/pcc-mp3dg,mschoeler/pcl,nikste/pcl,soulsheng/pcl,closerbibi/pcl,chenxingzhe/pcl,RufaelDev/pcc-mp3dg,krips89/pcl_newfeatures,RufaelDev/pcc-mp3dg,lydhr/pcl,drmateo/pcl,simonleonard/pcl,stefanbuettner/pcl,lydhr/pcl,the-glu/pcl,fskuka/pcl,KevenRing/pcl,locnx1984/pcl,stfuchs/pcl,DaikiMaekawa/pcl,damienjadeduff/pcl,pkuhto/pcl,locnx1984/pcl,mikhail-matrosov/pcl,mikhail-matrosov/pcl,shyamalschandra/pcl,stefanbuettner/pcl,lydhr/pcl,fskuka/pcl,damienjadeduff/pcl,lydhr/pcl,kanster/pcl,mschoeler/pcl,raydtang/pcl,KevenRing/vlp,ipa-rmb/pcl,wgapl/pcl,cascheberg/pcl,raydtang/pcl,ipa-rmb/pcl,soulsheng/pcl,cascheberg/pcl,pkuhto/pcl,damienjadeduff/pcl,fskuka/pcl,ResByte/pcl,stfuchs/pcl,simonleonard/pcl,3dtof/pcl