high validation code
security was reforced
problem with css foundation conflicts
readme file updated
correction for a blank option definition
Changed fontello font type name
Merge branch 'master' of repodsi.tecnico.ulisboa.pt:slider-captcha

Conflicts:
	css/partials/_entypo.sass
	css/slider-captcha.css
new version: fontello conflicts resolved, eraseCookie corrected in int sliderCaptcha