Added a date and time form-element which are implemented based on the
new "date" and "time" input-types introduced with html5. If those are not
available two bootstrap javascript-modules will be enabled.
refs #4355
All JS Files now call 'requirejs' instead of 'require', also
the holder.js reference is removed and the history api added.
Tests are following in the next commit
refs #4303
refs #4315