Update openhandler view

Don't show the id. Make the method/request/ip clickable, to filter by that.
Add filter form for OpenHandler

Provide a form to search for method/uri/ip.
Doesn't seem to handle multiple filters at once, but that seems a server-side problem.
Also, improvement could be to fill the form when clicking on a link, but it works :)
Add ip filter
Add method to filters
Merge pull request #74 from barryvdh/patch-6

Improve OpenHandler search/filtering