w-target/w-scroll, security fixes (and dev grunt watcher)

Animate scroll of #hash anchor and put the window to right place with topOffset

• data-keep-hash [false] If #hash anchor is needed in url set true, otherwise u will not see the #hash in url
  
• data-top-offset [10] The NEGATIVE offset from top (for not cover things with navbar or other things)
  
• data-animation [1000] The duration of scroll animation

    <a type="button" href="#target-block" class="btn btn-primary w-scroll">
        Bottom Button
    </a>

Add target highlight to something

• data-target [-] CSS Selector for select the element on which apply
• data-auto-close [8000] Bool or the ms for close
• data-taregt-class [on-target] The class to add (default have CSS animation but it must be on the #anchor element also)

    <a type="button" href="#target-block" class="btn btn-primary w-target" data-target="#target-block">
        Bottom Button
    </a>