parameters from alpha updated

parameters_alpha.txt

@@ -50,10 +50,10 @@
 42	200	PID_YAWSPEED_P	30
 42	200	PID_YAWSPE_AWU	1
 42	200	POS_SP_ACCEPT	1
-42	200	POS_SP_X	3.1
-42	200	POS_SP_Y	3
+42	200	POS_SP_X	3.7
+42	200	POS_SP_Y	0.3
 42	200	POS_SP_YAW	0
-42	200	POS_SP_Z	-0.7
+42	200	POS_SP_Z	0
 42	200	POS_TIMEOUT	2e+06
 42	200	RC_NICK_CHAN	1
 42	200	RC_ROLL_CHAN	2