Update Dockerfile to use PostgreSQL9.5
Update Dockerfile to use PostgreSQL9.5

Update package names and paths to use 9.5
See analogous appliance-build PR here:
https://github.com/ManageIQ/manageiq-appliance-build/pull/140

romanblanco/manageiq,durandom/manageiq,romanblanco/manageiq,agrare/manageiq,ilackarms/manageiq,aufi/manageiq,juliancheal/manageiq,syncrou/manageiq,djberg96/manageiq,mfeifer/manageiq,ManageIQ/manageiq,billfitzgerald0120/manageiq,syncrou/manageiq,mkanoor/manageiq,fbladilo/manageiq,fbladilo/manageiq,lpichler/manageiq,jrafanie/manageiq,chessbyte/manageiq,skateman/manageiq,skateman/manageiq,d-m-u/manageiq,skateman/manageiq,andyvesel/manageiq,billfitzgerald0120/manageiq,matobet/manageiq,gmcculloug/manageiq,syncrou/manageiq,pkomanek/manageiq,agrare/manageiq,ManageIQ/manageiq,durandom/manageiq,chessbyte/manageiq,yaacov/manageiq,jrafanie/manageiq,mzazrivec/manageiq,NaNi-Z/manageiq,matobet/manageiq,tzumainn/manageiq,tinaafitz/manageiq,mresti/manageiq,josejulio/manageiq,gerikis/manageiq,kbrock/manageiq,borod108/manageiq,romaintb/manageiq,mresti/manageiq,israel-hdez/manageiq,NaNi-Z/manageiq,jvlcek/manageiq,billfitzgerald0120/manageiq,jntullo/manageiq,mfeifer/manageiq,hstastna/manageiq,mzazrivec/manageiq,jvlcek/manageiq,romanblanco/manageiq,gmcculloug/manageiq,NickLaMuro/manageiq,andyvesel/manageiq,jvlcek/manageiq,kbrock/manageiq,jameswnl/manageiq,ailisp/manageiq,NickLaMuro/manageiq,fbladilo/manageiq,ilackarms/manageiq,romaintb/manageiq,lpichler/manageiq,josejulio/manageiq,maas-ufcg/manageiq,israel-hdez/manageiq,mresti/manageiq,tzumainn/manageiq,KevinLoiseau/manageiq,yaacov/manageiq,ManageIQ/manageiq,branic/manageiq,djberg96/manageiq,ailisp/manageiq,djberg96/manageiq,jameswnl/manageiq,israel-hdez/manageiq,pkomanek/manageiq,chessbyte/manageiq,romanblanco/manageiq,KevinLoiseau/manageiq,skateman/manageiq,mkanoor/manageiq,jvlcek/manageiq,borod108/manageiq,tinaafitz/manageiq,lpichler/manageiq,jrafanie/manageiq,josejulio/manageiq,KevinLoiseau/manageiq,romaintb/manageiq,jameswnl/manageiq,kbrock/manageiq,andyvesel/manageiq,pkomanek/manageiq,tzumainn/manageiq,andyvesel/manageiq,NickLaMuro/manageiq,pkomanek/manageiq,agrare/manageiq,ilackarms/manageiq,maas-ufcg/manageiq,kbrock/manageiq,aufi/manageiq,KevinLoiseau/manageiq,aufi/manageiq,branic/manageiq,hstastna/manageiq,romaintb/manageiq,jntullo/manageiq,israel-hdez/manageiq,yaacov/manageiq,branic/manageiq,agrare/manageiq,aufi/manageiq,tinaafitz/manageiq,ailisp/manageiq,borod108/manageiq,maas-ufcg/manageiq,fbladilo/manageiq,juliancheal/manageiq,gerikis/manageiq,KevinLoiseau/manageiq,mzazrivec/manageiq,d-m-u/manageiq,mfeifer/manageiq,jameswnl/manageiq,maas-ufcg/manageiq,yaacov/manageiq,juliancheal/manageiq,jrafanie/manageiq,KevinLoiseau/manageiq,gerikis/manageiq,hstastna/manageiq,mresti/manageiq,jntullo/manageiq,matobet/manageiq,hstastna/manageiq,matobet/manageiq,NaNi-Z/manageiq,gmcculloug/manageiq,d-m-u/manageiq,djberg96/manageiq,tinaafitz/manageiq,borod108/manageiq,tzumainn/manageiq,romaintb/manageiq,syncrou/manageiq,NaNi-Z/manageiq,josejulio/manageiq,mfeifer/manageiq,lpichler/manageiq,billfitzgerald0120/manageiq,chessbyte/manageiq,ailisp/manageiq,durandom/manageiq,gerikis/manageiq,gmcculloug/manageiq,mkanoor/manageiq,ilackarms/manageiq,juliancheal/manageiq,ManageIQ/manageiq,jntullo/manageiq,maas-ufcg/manageiq,branic/manageiq,romaintb/manageiq,d-m-u/manageiq,mzazrivec/manageiq,NickLaMuro/manageiq,mkanoor/manageiq,maas-ufcg/manageiq,durandom/manageiq