Fix and unfix Edits in Forms interactively.

ComboEdit:
  Typing searches
  Typing non-existant value should raise a question whether to save it or not.

Sorting search table by clicking on column header.

Navigation between objects:
  PageUp and PageDown buttons navigate through objects.
  Ctrl+PageUp brings up the first object, Ctrl+PageDown brings up a clear page, 
   being after the last object.
  Ctrl+Home puts the cursor into the first field, Ctrl+End into the last field.
  
Navigation bar:
  Navigation bar between fields with the following buttons:
    first, previous, index (number) next, last

Maven

investigate other date/time pickers

Bugs to be fixed:
TimeEdit1: "6:0" is valid, but can not be updated
