3 new multiselect entries for multiselect on own position

each can be disabled in options
 TEAM_CODE_MS
 OWN_POS_MS
 ORACLE_MS
automatic entry update by TimerNotify
auto update Multiselect dialog
extended search range if nothing found

removed oracle and team from multiselect
fixed: not center Task point on task point move on slow devices
Merge branch 'new_multiselect_entries' of git://github.com/AlphaLima/LK8000 into ulli
Make buttons-in-multiselect dialog an option. Enable back the option for team and oracle working.
Add some explanations in the option file.
	modified:   ../Header/options.h
	modified:   Dialogs/dlgMultiSelectList.cpp
	modified:   Draw/MapWindow_Events.cpp