Change task Requiered Altitude Calculation :
if next Tp Requiered Altitude is less than current tp altitude, use current tp altitude for requiered altitude...
 - AAT Task : altitude of AAT Target point is used if upper center altitude, otherwise, center altitude is used.
 - PG optimized : always use Optimized point altitude.
remove LKASSERT on wrong custom keys config ( corrupted system profile file )
Update changes
Change makefile to use nimbus mingw
allow alphanumeric pass key for bluetooth pairing
(CC) Permanent AUTOUPDATE_MS option
(CC) Permanent ONEHZLIMITER
Limit some functions in Draw thread to run only at 1hz max.
Otherwise they are called each time the Thread_Draw is looping again.
(CC) option AUTO_BBTRM no more used and removed
(CC) Permanent option TOPOBOUND_OPTIM
consolidated since 2012
(CC) move unofficial optionals at the bottom of options
(CC) more options cleanup, AIRSPACE_BORDER option is local to MapWindowA
(CC) option OUTLINE_2ND in local file
(CC) unused option JP2000 permanently removed
(CC) Permanent MOVE_WP_PAN option
(CC) Permanent option GEAR_WARNING
fix warning in DrawFlarmRadar unused but set variable
fix warning in RenderAirspace , set but not used variable
fix AUTOUPDATE_MS permanent option not correctly set
Update changes and this is beta version 4.1e
advance to next beta 4.1f0