Moved validation error table to end of spec
Moved validation error table to end of spec

Also added proper class name to fix broken validation.
jdelhommeau/amphtml,sriramkrish85/amphtml,BenDz/amphtml-atinternet,mhc-gh/amphtml,galeksic/amphtml,rajkumarsrk/amphtml,ampproject/amphtml,jasti/amphtml,spotxchange/amphtml,rajkumarsrk/amphtml,dvoytenko/amphtml,Gregable/amphtml,arealit/amphtml,adtechnology/amphtml,yieldbot/amphtml,AaronCritchley/amphtml,DAC-f1h-dev/amphtml,widespace-os/amphtml,chaveznvg/amphtml,danielrozenberg/amphtml,yevheniiminin/amphtml,koshka/amphtml,triplelift/amphtml,camelburrito/amphtml,Gregable/amphtml,jridgewell/amphtml,voyagegroup/amphtml,voyagegroup/amphtml,jdelhommeau/amphtml,sortable/amphtml,fullspeed-sp/amphtml,src-code/amphtml,rajkumarsrk/amphtml,adiant/amphtml,clawr/amphtml,galeksic/amphtml,powdercloud/amphtml,lzanol/amphtml,zhucl/amphtml,NataliaLKB/amphtml,jpettitt/amphtml,adtechnology/amphtml,kixer-com/amphtml,cvializ/amphtml,sortable/amphtml,taboola/amphtml,powdercloud/amphtml,mhc-gh/amphtml,keithwrightbos/amphtml,zhangsu/amphtml,devjsun/amphtml,rajkumarsrk/amphtml,vmarteev/amphtml,donttrustthisbot/amphtml,jasti/amphtml,media-net/amphtml,kmh287/amphtml,triplelift/amphtml,Lith/amphtml,cory-work/amphtml,alanorozco/amphtml,DAC-f1h-dev/amphtml,ruturajv-media-net/amphtml,jridgewell/amphtml,dotandads/amphtml,Adtoma/amphtml,bpaduch/amphtml,gumgum/amphtml,jpettitt/amphtml,BrightcoveOS/amphtml,pedjoni8/amphtml,jlucero-contentad/amphtml,DarXector/amphtml,galeksic/amphtml,lzanol/amphtml,powdercloud/amphtml,nekodo/amphtml,jmadler/amphtml,sklobovskaya/amphtml,mhc-gh/amphtml,laterpay/amphtml,engtat/amphtml,BrightcoveOS/amphtml,lannka/amphtml,DistroScale/amphtml,DistroScale/amphtml,sriramkrish85/amphtml,mkhatib/amphtml,ColombiaAnalytics/amphtml,JuliusThms/amphtml,vmarteev/amphtml,shawnbuso/amphtml,rsimha-amp/amphtml,BenDz/amphtml-atinternet,lannka/amphtml,alanorozco/amphtml,Re-lM/amphtml,zhouyx/amphtml,techhtml/amphtml,criteo-forks/amphtml,loic-seguin/amphtml,mkhatib/amphtml,rlugojr/amphtml,avimehta/amphtml,widespace-os/amphtml,lannka/amphtml,comScore/amphtml,ecoron/amphtml,amoad-amoe/amphtml,arealit/amphtml,shawnbuso/amphtml,tlong2/amphtml,kixer-com/amphtml,jridgewell/amphtml,yieldbot/amphtml,donttrustthisbot/amphtml,amoad-amoe/amphtml,sklobovskaya/amphtml,chaveznvg/amphtml,keithwrightbos/amphtml,prateekbh/amphtml,taboola/amphtml,pietergreyling/amphtml,lannka/amphtml,honeybadgerdontcare/amphtml,adup-tech/amphtml,powdercloud/amphtml,donttrustthisbot/amphtml,mhc-gh/amphtml,bpaduch/amphtml,comScore/amphtml,kixer-com/amphtml,zhouyx/amphtml,jasti/amphtml,wjfang/amphtml,Adtoma/amphtml,ericlindley-g/amphtml,adiant/amphtml,zhangsu/amphtml,ampproject/amphtml,yandex-pcode/amphtml,avimehta/amphtml,danielrozenberg/amphtml,clawr/amphtml,widespace-os/amphtml,rsimha-amp/amphtml,gumgum/amphtml,BenDz/amphtml,src-code/amphtml,rsimha-amp/amphtml,erwinmombay/amphtml,spotxchange/amphtml,ruturajv-media-net/amphtml,erwinmombay/amphtml,rlugojr/amphtml,Mixpo/amphtml,laterpay/amphtml,yieldmo/amphtml,camelburrito/amphtml,dvoytenko/amphtml,kixer-com/amphtml,clawr/amphtml,jmadler/amphtml,criteo-forks/amphtml,techhtml/amphtml,fullspeed-sp/amphtml,danielrozenberg/amphtml,kamtschatka/amphtml,arealit/amphtml,rajkumarsrk/amphtml,nexxtv/amphtml,adtechnology/amphtml,rsimha-amp/amphtml,camelburrito/amphtml,wjfang/amphtml,powdercloud/amphtml,yandex-pcode/amphtml,honeybadgerdontcare/amphtml,adtechnology/amphtml,comScore/amphtml,Mobusi-ads/amphtml,nekodo/amphtml,lannka/amphtml,amoad-amoe/amphtml,wjfang/amphtml,voyagegroup/amphtml,DistroScale/amphtml,tdrl/amphtml,AaronCritchley/amphtml,honeybadgerdontcare/amphtml,DarXector/amphtml,mkhatib/amphtml,koshka/amphtml,yieldmo/amphtml,cvializ/amphtml,spotxchange/amphtml,ampproject/amphtml,cvializ/amphtml,camelburrito/amphtml,Gregable/amphtml,criteo-forks/amphtml,sriramkrish85/amphtml,rlugojr/amphtml,yieldbot/amphtml,gumgum/amphtml,Mobusi-ads/amphtml,nexxtv/amphtml,comScore/amphtml,arealit/amphtml,zhucl/amphtml,sharethrough/amphtml,engtat/amphtml,shawnbuso/amphtml,amoad-amoe/amphtml,smartadserver/amphtml,galeksic/amphtml,jpettitt/amphtml,zhucl/amphtml,rifler/amphtml,prateekbh/amphtml,tlong2/amphtml,adiant/amphtml,zhouyx/amphtml,yieldmo/amphtml,tdrl/amphtml,mlb7687/amphtml,ruturajv-media-net/amphtml,danielrozenberg/amphtml,Lith/amphtml,src-code/amphtml,ericlindley-g/amphtml,prateekbh/amphtml,adiant/amphtml,techhtml/amphtml,chaveznvg/amphtml,cory-work/amphtml,honeybadgerdontcare/amphtml,taboola/amphtml,britice/amphtml,sebastianbenz/amphtml,nathangoulding/amphtml,Mixpo/amphtml,criteo-forks/amphtml,pietergreyling/amphtml,engtat/amphtml,vmarteev/amphtml,sebastianbenz/amphtml,BenDz/amphtml,vmarteev/amphtml,pedjoni8/amphtml,triplelift/amphtml,DAC-f1h-dev/amphtml,lannka/amphtml,burtcorp/amphtml,JuliusThms/amphtml,jpettitt/amphtml,plista/amphtml,sriramkrish85/amphtml,rajkumarsrk/amphtml,media-net/amphtml,rlugojr/amphtml,aghassemi/amphtml,Gregable/amphtml,voyagegroup/amphtml,honeybadgerdontcare/amphtml,ruturajv-media-net/amphtml,mlb7687/amphtml,taboola/amphtml,NataliaLKB/amphtml,DistroScale/amphtml,rifler/amphtml,zhangsu/amphtml,mhc-gh/amphtml,lzanol/amphtml,rsimha-amp/amphtml,media-net/amphtml,galeksic/amphtml,JuliusThms/amphtml,bpaduch/amphtml,DarXector/amphtml,amoad-amoe/amphtml,interspacejp/amphtml,aghassemi/amphtml,sortable/amphtml,JuliusThms/amphtml,sklobovskaya/amphtml,laterpay/amphtml,yandex-pcode/amphtml,techhtml/amphtml,alanorozco/amphtml,jdelhommeau/amphtml,BenDz/amphtml,wjfang/amphtml,yevheniiminin/amphtml,sharethrough/amphtml,mkhatib/amphtml,adup-tech/amphtml,burtcorp/amphtml,powdercloud/amphtml,fullspeed-sp/amphtml,danielrozenberg/amphtml,jlucero-contentad/amphtml,src-code/amphtml,media-net/amphtml,adtechnology/amphtml,interspacejp/amphtml,Gregable/amphtml,laterpay/amphtml,engtat/amphtml,ithinkihaveacat/amphtml,ADITION/amphtml,AaronCritchley/amphtml,interspacejp/amphtml,nexxtv/amphtml,engtat/amphtml,kamtschatka/amphtml,prateekbh/amphtml,jmadler/amphtml,fullspeed-sp/amphtml,gumgum/amphtml,pedjoni8/amphtml,shawnbuso/amphtml,mkhatib/amphtml,alanorozco/amphtml,taboola/amphtml,widespace-os/amphtml,widespace-os/amphtml,media-net/amphtml,honeybadgerdontcare/amphtml,aghassemi/amphtml,jlucero-contentad/amphtml,ericlindley-g/amphtml,jdelhommeau/amphtml,tlong2/amphtml,DarXector/amphtml,AaronCritchley/amphtml,vmarteev/amphtml,jpettitt/amphtml,koshka/amphtml,keithwrightbos/amphtml,pedjoni8/amphtml,nexxtv/amphtml,chaveznvg/amphtml,smartadserver/amphtml,Mobusi-ads/amphtml,koshka/amphtml,ericlindley-g/amphtml,koshka/amphtml,Gregable/amphtml,src-code/amphtml,nathangoulding/amphtml,fullspeed-sp/amphtml,taboola/amphtml,Mixpo/amphtml,lzanol/amphtml,ruturajv-media-net/amphtml,mkhatib/amphtml,AaronCritchley/amphtml,sebastianbenz/amphtml,ColombiaAnalytics/amphtml,cvializ/amphtml,triplelift/amphtml,jpettitt/amphtml,lzanol/amphtml,donttrustthisbot/amphtml,tdrl/amphtml,dvoytenko/amphtml,yandex-pcode/amphtml,adup-tech/amphtml,kamtschatka/amphtml,britice/amphtml,DAC-f1h-dev/amphtml,bpaduch/amphtml,erwinmombay/amphtml,kixer-com/amphtml,criteo-forks/amphtml,DarXector/amphtml,techhtml/amphtml,DAC-f1h-dev/amphtml,prateekbh/amphtml,kmh287/amphtml,ADITION/amphtml,zhangsu/amphtml,donttrustthisbot/amphtml,yieldmo/amphtml,rlugojr/amphtml,smartadserver/amphtml,ampproject/amphtml,luciancrasovan/amphtml,pietergreyling/amphtml,danielrozenberg/amphtml,Lith/amphtml,ecoron/amphtml,keithwrightbos/amphtml,ruturajv-media-net/amphtml,avimehta/amphtml,burtcorp/amphtml,luciancrasovan/amphtml,jmadler/amphtml,sharethrough/amphtml,tdrl/amphtml,rifler/amphtml,prateekbh/amphtml,adiant/amphtml,luciancrasovan/amphtml,chaveznvg/amphtml,kixer-com/amphtml,kmh287/amphtml,ColombiaAnalytics/amphtml,media-net/amphtml,media-net/amphtml,mlb7687/amphtml,jlucero-contentad/amphtml,dotandads/amphtml,dvoytenko/amphtml,Adtoma/amphtml,yevheniiminin/amphtml,chaveznvg/amphtml,cory-work/amphtml,camelburrito/amphtml,rajkumarsrk/amphtml,zhucl/amphtml,interspacejp/amphtml,triplelift/amphtml,aghassemi/amphtml,DarXector/amphtml,keithwrightbos/amphtml,Mobusi-ads/amphtml,luciancrasovan/amphtml,ecoron/amphtml,gumgum/amphtml,arealit/amphtml,loic-seguin/amphtml,vmarteev/amphtml,ecoron/amphtml,Re-lM/amphtml,tdrl/amphtml,yieldmo/amphtml,powdercloud/amphtml,adiant/amphtml,smartadserver/amphtml,sharethrough/amphtml,lannka/amphtml,alanorozco/amphtml,BenDz/amphtml,donttrustthisbot/amphtml,sriramkrish85/amphtml,clawr/amphtml,pedjoni8/amphtml,mhc-gh/amphtml,luciancrasovan/amphtml,tlong2/amphtml,NataliaLKB/amphtml,yandex-pcode/amphtml,engtat/amphtml,kamtschatka/amphtml,jlucero-contentad/amphtml,cory-work/amphtml,alanorozco/amphtml,BrightcoveOS/amphtml,nexxtv/amphtml,zhucl/amphtml,kmh287/amphtml,adup-tech/amphtml,sebastianbenz/amphtml,erwinmombay/amphtml,sklobovskaya/amphtml,sharethrough/amphtml,yieldbot/amphtml,dvoytenko/amphtml,avimehta/amphtml,Re-lM/amphtml,arealit/amphtml,bpaduch/amphtml,nexxtv/amphtml,yieldbot/amphtml,lzanol/amphtml,NataliaLKB/amphtml,ericlindley-g/amphtml,jridgewell/amphtml,kamtschatka/amphtml,pietergreyling/amphtml,clawr/amphtml,jridgewell/amphtml,burtcorp/amphtml,wjfang/amphtml,Mobusi-ads/amphtml,zhouyx/amphtml,voyagegroup/amphtml,Gregable/amphtml,pedjoni8/amphtml,kamtschatka/amphtml,prateekbh/amphtml,comScore/amphtml,adtechnology/amphtml,cvializ/amphtml,shawnbuso/amphtml,DistroScale/amphtml,cory-work/amphtml,JuliusThms/amphtml,jlucero-contentad/amphtml,BenDz/amphtml,jpettitt/amphtml,spotxchange/amphtml,src-code/amphtml,mlb7687/amphtml,kmh287/amphtml,interspacejp/amphtml,Lith/amphtml,sklobovskaya/amphtml,ithinkihaveacat/amphtml,danielrozenberg/amphtml,criteo-forks/amphtml,sklobovskaya/amphtml,kmh287/amphtml,devjsun/amphtml,smartadserver/amphtml,devjsun/amphtml,britice/amphtml,Adtoma/amphtml,adup-tech/amphtml,ampproject/amphtml,jasti/amphtml,taboola/amphtml,cvializ/amphtml,ericlindley-g/amphtml,jasti/amphtml,jasti/amphtml,bpaduch/amphtml,zhucl/amphtml,zhangsu/amphtml,voyagegroup/amphtml,Gregable/amphtml,yieldmo/amphtml,adup-tech/amphtml,BrightcoveOS/amphtml,comScore/amphtml,yevheniiminin/amphtml,zhouyx/amphtml,mlb7687/amphtml,Mixpo/amphtml,media-net/amphtml,burtcorp/amphtml,nekodo/amphtml,shawnbuso/amphtml,rsimha-amp/amphtml,zhucl/amphtml,adiant/amphtml,erwinmombay/amphtml,triplelift/amphtml,avimehta/amphtml,kixer-com/amphtml,bpaduch/amphtml,BenDz/amphtml,tlong2/amphtml,aghassemi/amphtml,mhc-gh/amphtml,plista/amphtml,dotandads/amphtml,nathangoulding/amphtml,sortable/amphtml,BenDz/amphtml-atinternet,loic-seguin/amphtml,rifler/amphtml,devjsun/amphtml,jpettitt/amphtml,gumgum/amphtml,zhangsu/amphtml,fullspeed-sp/amphtml,tdrl/amphtml,ecoron/amphtml,mhc-gh/amphtml,britice/amphtml,rlugojr/amphtml,Mixpo/amphtml,amoad-amoe/amphtml,rifler/amphtml,AaronCritchley/amphtml,Mixpo/amphtml,engtat/amphtml,mlb7687/amphtml,jmadler/amphtml,sebastianbenz/amphtml,jridgewell/amphtml,yandex-pcode/amphtml,BrightcoveOS/amphtml,dvoytenko/amphtml,danielrozenberg/amphtml,plista/amphtml,sebastianbenz/amphtml,luciancrasovan/amphtml,devjsun/amphtml,sriramkrish85/amphtml,dotandads/amphtml,Adtoma/amphtml,jdelhommeau/amphtml,rsimha-amp/amphtml,clawr/amphtml,laterpay/amphtml,erwinmombay/amphtml,yevheniiminin/amphtml,dotandads/amphtml,DistroScale/amphtml,cory-work/amphtml,yandex-pcode/amphtml,nathangoulding/amphtml,ColombiaAnalytics/amphtml,JuliusThms/amphtml,Re-lM/amphtml,ampproject/amphtml,voyagegroup/amphtml,yieldmo/amphtml,sortable/amphtml,wjfang/amphtml,honeybadgerdontcare/amphtml,nekodo/amphtml,spotxchange/amphtml,ithinkihaveacat/amphtml,Mobusi-ads/amphtml,vmarteev/amphtml,ampproject/amphtml,jdelhommeau/amphtml,tlong2/amphtml,Lith/amphtml,Adtoma/amphtml,BrightcoveOS/amphtml,rifler/amphtml,alanorozco/amphtml,loic-seguin/amphtml,ecoron/amphtml,jmadler/amphtml,camelburrito/amphtml,zhouyx/amphtml,donttrustthisbot/amphtml,keithwrightbos/amphtml,smartadserver/amphtml,cory-work/amphtml,alanorozco/amphtml,gumgum/amphtml,aghassemi/amphtml,pietergreyling/amphtml,camelburrito/amphtml,ADITION/amphtml,wjfang/amphtml,luciancrasovan/amphtml,jridgewell/amphtml,zhouyx/amphtml,nexxtv/amphtml,techhtml/amphtml,dotandads/amphtml,shawnbuso/amphtml,DAC-f1h-dev/amphtml,sklobovskaya/amphtml,pietergreyling/amphtml,ithinkihaveacat/amphtml,Lith/amphtml,spotxchange/amphtml,arealit/amphtml,ADITION/amphtml,ampproject/amphtml,ADITION/amphtml,yevheniiminin/amphtml,burtcorp/amphtml,avimehta/amphtml,sortable/amphtml,clawr/amphtml,keithwrightbos/amphtml,yieldbot/amphtml,plista/amphtml,devjsun/amphtml,koshka/amphtml,sharethrough/amphtml,comScore/amphtml,widespace-os/amphtml,laterpay/amphtml,interspacejp/amphtml