Fix the syntax "boostrap" to "bootstrap", and add a logic for the ".cont...

Fix the syntax "boostrap" to "bootstrap", and add a logic for the ".controls" in order to add the help-block correctly in boostrap3. 

.form-controls is a class for an input, so I check if is a input for decide if I do an append of after. (Append will be did for .controls div in bootstrap2)