5.1.0

• add doc plugin
• custom link add mailto, tel link buttons
• add diverse examples
• remove unused old mform 4
• fix fieldset autolose bug
• multiple select js removes
• use array insert name for multiple selects
• add tabs
• news tab style by Thomas Skerbis
• fix theme config name bug
• add attribute to checked elements
• class refactoring
• remove help.php