capitalize translation attributes

[fabianrios]

the auto data-trn-key fail to work with Capitalize strings

[fabianrios]

`this.get = function(index) {
var res = index;
// not pretty but more functionall
if (t[index]){
res = t[index][settings.lang]
}else if(t[index.toLowerCase()]){
res = t[index.toLowerCase()][settings.lang]
}else{
return index
}

  if (res)
    return res;
  else
    return index;
};`