Ticket #2585 (Ask filename before create new file)

Signed-off-by: Ilia Maslakov <il.smind@gmail.com>
add option "Ask new file name" in the Configuration box

Signed-off-by: Ilia Maslakov <il.smind@gmail.com>
Merge branch '2585_mcedit_input_fname_before_edit'

* 2585_mcedit_input_fname_before_edit:
  add option "Ask new file name" in the Configuration box
  Ticket #2585 (Ask filename before create new file)