Extract validate_html so can be used elsewhere
Extract validate_html so can be used elsewhere

andreicristianpetcu/alaveteli,petterreinholdtsen/alaveteli,nzherald/alaveteli,datauy/alaveteli,nzherald/alaveteli,Br3nda/alaveteli,codeforcroatia/alaveteli,obshtestvo/alaveteli-bulgaria,Br3nda/alaveteli,nzherald/alaveteli,4bic/alaveteli,andreicristianpetcu/alaveteli_old,andreicristianpetcu/alaveteli_old,4bic/alaveteli,TEDICpy/QueremoSaber,petterreinholdtsen/alaveteli,obshtestvo/alaveteli-bulgaria,sarhane/alaveteli-test,TEDICpy/QueremoSaber,4bic/alaveteli,petterreinholdtsen/alaveteli,10layer/alaveteli,Br3nda/alaveteli,10layer/alaveteli,codeforcroatia/alaveteli,andreicristianpetcu/alaveteli,petterreinholdtsen/alaveteli,obshtestvo/alaveteli-bulgaria,hasadna/alaveteli,sarhane/alaveteli-test,4bic/alaveteli,codeforcroatia/alaveteli,sarhane/alaveteli-test,10layer/alaveteli,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli,hasadna/alaveteli,hasadna/alaveteli,codeforcroatia/alaveteli,datauy/alaveteli,obshtestvo/alaveteli-bulgaria,petterreinholdtsen/alaveteli,hasadna/alaveteli,hasadna/alaveteli,hasadna/alaveteli,Br3nda/alaveteli,4bic/alaveteli,sarhane/alaveteli-test,andreicristianpetcu/alaveteli_old,TEDICpy/QueremoSaber,obshtestvo/alaveteli-bulgaria,nzherald/alaveteli,Br3nda/alaveteli,andreicristianpetcu/alaveteli_old,nzherald/alaveteli,andreicristianpetcu/alaveteli,andreicristianpetcu/alaveteli_old,TEDICpy/QueremoSaber,andreicristianpetcu/alaveteli,datauy/alaveteli