Display Date consistently

[sabgottfriedx]

The formatting of the Dates is different:
12/06/2018
06/12/2018

[NachoMerino]

use momentjs to fix the isue

[orwa337]

we are using textField Type "datetime-local" and this type isn't supported in Firefox, Safari and maybe in Microsoft Edge .
not only that .... but also we have problems with formatting it .

as like Nacho suggested, we should change it