add success sound

add success sound

the 2 success samples ripped from the game using winuae needed to be
transformed to sound similar like the original success tone.

milkytracker layout:
CHAN1             | CHAN2
C-4 .2 -4 E22     | C-4 .1 -4 421
... .. -3 E21     | ... .. -3 400
... .. -2 E21     | ... .. -2 400
... .. -2 E23     | ... .. -2 400
... .. -1 E24     | ... .. -1 E24
... .. .. EC0     | ... .. .. EC0

instrument 1: success1.wav (172 byte)
instrument 2: success2.wav (170 byte)

afterwards the tune was exported as wav and put through a filter in
Digital Audio Workstation.
https://dl.dropboxusercontent.com/u/848631/DOW_Success_filter_settings.png

big thanks to Latvamage for figuring this all out and creating the
sound.