[ci skip] Merge pull request #4251 from dimitribalazs/patch-2
[ci skip] Merge pull request #4251 from dimitribalazs/patch-2

Added alt attribute functionality to captcha helper
madwings/InsaneDB,ET-NiK/CodeIgniter,madwings/InsaneDB,DiederikLascaris/CodeIgniter,Calico90/CodeIgniter,ganiutomo/CodeIgniter,asmdigital/CodeIgniter,jim-parry/CodeIgniter,ster/CodeIgniter,bcit-ci/CodeIgniter,openset/ci,andersonunsonst/CodeIgniter,poing/CodeIgniter,skullJ/CodeIgniter,b1tc0re/CodeIgniter,gastongr/CodeIgniter,asmdigital/CodeIgniter,jim-parry/CodeIgniter,butane/CodeIgniter,kala725/CodeIgniter-with-React,madwings/InsaneDB,b1tc0re/CodeIgniter,tianhe1986/CodeIgniter,butane/CodeIgniter,poing/CodeIgniter,ivantcholakov/CodeIgniter,tianhe1986/CodeIgniter,skullJ/CodeIgniter,skullJ/CodeIgniter,butane/CodeIgniter,ET-NiK/CodeIgniter,ivantcholakov/CodeIgniter,ytetsuro/CodeIgniter,b1tc0re/CodeIgniter,dhayalram123/CodeIgniter,ster/CodeIgniter,gastongr/CodeIgniter,kala725/CodeIgniter-with-React,DiederikLascaris/CodeIgniter,ganiutomo/CodeIgniter,madwings/InsaneDB,andersonunsonst/CodeIgniter,kala725/CodeIgniter-with-React,DiederikLascaris/CodeIgniter,ytetsuro/CodeIgniter,poing/CodeIgniter,Tpojka/CodeIgniter,ytetsuro/CodeIgniter,ipabz/CodeIgniter,Calico90/CodeIgniter,tianhe1986/CodeIgniter,jim-parry/CodeIgniter,kala725/CodeIgniter-with-React,ET-NiK/CodeIgniter,ster/CodeIgniter,openset/ci,b1tc0re/CodeIgniter,bcit-ci/CodeIgniter,butane/CodeIgniter,kamaslau/BasicCodeIgniter,DiederikLascaris/CodeIgniter,madwings/InsaneDB,kamaslau/BasicCodeIgniter,ET-NiK/CodeIgniter,openset/ci,jim-parry/CodeIgniter,andersonunsonst/CodeIgniter,ytetsuro/CodeIgniter,ganiutomo/CodeIgniter,andersonunsonst/CodeIgniter,asmdigital/CodeIgniter,asmdigital/CodeIgniter,dhayalram123/CodeIgniter,tianhe1986/CodeIgniter,ivantcholakov/CodeIgniter,ipabz/CodeIgniter,ganiutomo/CodeIgniter,butane/CodeIgniter,kamaslau/BasicCodeIgniter,gastongr/CodeIgniter,openset/ci,ytetsuro/CodeIgniter,bcit-ci/CodeIgniter,jim-parry/CodeIgniter,Calico90/CodeIgniter,ipabz/CodeIgniter,poing/CodeIgniter,poing/CodeIgniter,bcit-ci/CodeIgniter,Tpojka/CodeIgniter,ster/CodeIgniter,ivantcholakov/CodeIgniter,smallp/CodeIgniter,ster/CodeIgniter,ganiutomo/CodeIgniter,b1tc0re/CodeIgniter,ipabz/CodeIgniter,gastongr/CodeIgniter,tianhe1986/CodeIgniter,DiederikLascaris/CodeIgniter,ivantcholakov/CodeIgniter,Calico90/CodeIgniter,dhayalram123/CodeIgniter,Tpojka/CodeIgniter,openset/ci,gastongr/CodeIgniter,Calico90/CodeIgniter,kala725/CodeIgniter-with-React,dhayalram123/CodeIgniter,smallp/CodeIgniter,ipabz/CodeIgniter,Tpojka/CodeIgniter,asmdigital/CodeIgniter,kamaslau/BasicCodeIgniter,ET-NiK/CodeIgniter,bcit-ci/CodeIgniter,Tpojka/CodeIgniter