ArticlesGenerator: set blog=True consistently.
ArticlesGenerator: set blog=True consistently.

Fixes #1631.

ehashman/pelican,kennethlyn/pelican,GiovanniMoretti/pelican,levanhien8/pelican,levanhien8/pelican,lazycoder-ru/pelican,florianjacob/pelican,simonjj/pelican,joetboole/pelican,UdeskDeveloper/pelican,ehashman/pelican,ingwinlu/pelican,gymglish/pelican,HyperGroups/pelican,HyperGroups/pelican,koobs/pelican,Rogdham/pelican,jvehent/pelican,karlcow/pelican,ls2uper/pelican,Rogdham/pelican,abrahamvarricatt/pelican,btnpushnmunky/pelican,simonjj/pelican,deved69/pelican-1,janaurka/git-debug-presentiation,alexras/pelican,eevee/pelican,simonjj/pelican,Summonee/pelican,iurisilvio/pelican,talha131/pelican,zackw/pelican,getpelican/pelican,garbas/pelican,GiovanniMoretti/pelican,zackw/pelican,garbas/pelican,iurisilvio/pelican,eevee/pelican,TC01/pelican,51itclub/pelican,farseerfc/pelican,jimperio/pelican,rbarraud/pelican,kennethlyn/pelican,catdog2/pelican,11craft/pelican,zackw/pelican,iKevinY/pelican,douglaskastle/pelican,deved69/pelican-1,51itclub/pelican,Polyconseil/pelican,douglaskastle/pelican,alexras/pelican,talha131/pelican,Summonee/pelican,ls2uper/pelican,farseerfc/pelican,Scheirle/pelican,koobs/pelican,florianjacob/pelican,janaurka/git-debug-presentiation,ingwinlu/pelican,Scheirle/pelican,gymglish/pelican,number5/pelican,deanishe/pelican,goerz/pelican,deved69/pelican-1,garbas/pelican,kennethlyn/pelican,janaurka/git-debug-presentiation,UdeskDeveloper/pelican,abrahamvarricatt/pelican,Summonee/pelican,lazycoder-ru/pelican,koobs/pelican,11craft/pelican,ls2uper/pelican,number5/pelican,alexras/pelican,avaris/pelican,goerz/pelican,JeremyMorgan/pelican,crmackay/pelican,avaris/pelican,treyhunner/pelican,lucasplus/pelican,TC01/pelican,UdeskDeveloper/pelican,karlcow/pelican,treyhunner/pelican,ehashman/pelican,jvehent/pelican,Polyconseil/pelican,Scheirle/pelican,deanishe/pelican,TC01/pelican,crmackay/pelican,rbarraud/pelican,levanhien8/pelican,rbarraud/pelican,btnpushnmunky/pelican,goerz/pelican,lucasplus/pelican,karlcow/pelican,number5/pelican,GiovanniMoretti/pelican,51itclub/pelican,eevee/pelican,JeremyMorgan/pelican,btnpushnmunky/pelican,getpelican/pelican,joetboole/pelican,11craft/pelican,JeremyMorgan/pelican,catdog2/pelican,lazycoder-ru/pelican,douglaskastle/pelican,treyhunner/pelican,iurisilvio/pelican,joetboole/pelican,iKevinY/pelican,HyperGroups/pelican,Rogdham/pelican,jimperio/pelican,crmackay/pelican,jimperio/pelican,abrahamvarricatt/pelican,florianjacob/pelican,lucasplus/pelican,gymglish/pelican,deanishe/pelican,jvehent/pelican,catdog2/pelican