add picker for date datetime and time formtype
fix file modes
remove old datepicker stylesheet
fix file mode
import component smalot-bootstrap-datetimepicker
remove old datepicker javascript
add form components doc
remove import in base template
Merge pull request #1 from phiamo/master

update
no wrap update
Merge pull request #2 from bierdok/master

update
Merge pull request #669 from bierdok/datetimepicker

add picker for date datetime and time formtype