make title safe for HTML special characters and unicode
make title safe for HTML special characters and unicode

Connexions/cnx-rulesets,Connexions/cnx-recipes,Connexions/cte,Connexions/cnx-recipes,Connexions/cnx-recipes,Connexions/cnx-rulesets,Connexions/cnx-rulesets,Connexions/cnx-rulesets,Connexions/cte,Connexions/cnx-recipes,Connexions/cnx-recipes