Moved all filter classes to namespace `yii\filters`
Moved all filter classes to namespace `yii\filters`


karoldanutama/dev-ops-yii2-app-basic,dasscheman/yii2-app-basic,DawidMyslak/home-budget,aerios/dev-ops-yii2-app-basic,novomirskoy/yii2gallery,matperez/yii2-app-basic-with-environments,marianturchyn/yii2-app-basic,tird/yii2-app-basic,IngridMendes/boigalera,OrlandoST/instapro,pana1990/yii2-app-basic,alfredleo/yii2-app-basic,dasscheman/yii2-app-basic,Vitashev/yii2-app-basic,wojtonow/yii2-basic,callmez/yii2-app-wechat,CanDo-com/yii2-app-basic,IngridMendes/boigalera,OrlandoST/yii2-app-basic,hanupas/dev-ops-yii2-app-basic,tigokr/intermedia_test_0,githubjeka/yii2-app-basic,cbn052293/Test_Yii,AdeAttwood/Yii2-Basic-Grunt,OrlandoST/yii2-app-basic,wojtonow/yii2-basic,jacmoe/yii2-app-basic-zurbified,AdeAttwood/Yii2-Basic-Grunt,tigokr/intermedia_test_0,matperez/yii2-app-basic-with-environments,andreybolonin/yii2-app-basic,wartron/yii2-app-basic-account,themccallister/yii2-app-basic,OrlandoST/instapro,novomirskoy/yii2gallery,tiagocardosos/yii2-sample-app-urlshortener-mongo,jacmoe/yii2-app-basic-zurbified,IngridMendes/boigalera,yiisoft/yii2-app-basic,adiferd/dev-ops-yii2-app-basic,jarioneto/yii2-app-rest,fredyns/shippingweight,AdeAttwood/Yii2-Basic-Grunt,githubjeka/yii2-app-basic,CanDo-com/yii2-app-basic,DawidMyslak/home-budget,krissss/yundou,yiisoft/yii2-app-basic,fredyns/shippingweight