fix the meta tags added in #1028
fix the meta tags added in #1028

The attribute 'contents' should be 'content'.
See http://www.w3schools.com/tags/att_meta_content.asp

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