[#1260] HTML5 valdiation: Retry fews time in case of connection errors.
[#1260] HTML5 valdiation: Retry fews time in case of connection errors.

leotrubach/sourceforge-allura,Bitergia/allura,apache/incubator-allura,heiths/allura,lym/allura-git,heiths/allura,apache/allura,lym/allura-git,Bitergia/allura,leotrubach/sourceforge-allura,heiths/allura,heiths/allura,heiths/allura,lym/allura-git,apache/allura,apache/allura,leotrubach/sourceforge-allura,lym/allura-git,apache/allura,apache/incubator-allura,apache/allura,apache/incubator-allura,leotrubach/sourceforge-allura,apache/incubator-allura,Bitergia/allura,Bitergia/allura,lym/allura-git,Bitergia/allura