Tools: added a mission around Rabi, close to -180 degrees lon

Tools/autotest/Generic_Missions/Rabi-circuit.txt

@@ -0,0 +1,10 @@
+QGC WPL 110
+0	0	0	16	0.000000	0.000000	0.000000	0.000000	-16.512732	179.976420	7.600000	1
+1	0	3	22	20.000000	0.000000	0.000000	0.000000	-16.508193	179.971360	200.000000	1
+2	0	10	16	0.000000	0.000000	0.000000	0.000000	-16.447885	-179.945801	500.000000	1
+3	0	10	16	0.000000	0.000000	0.000000	0.000000	-16.439640	-179.909607	500.000000	1
+4	0	10	16	0.000000	0.000000	0.000000	0.000000	-16.520679	-179.935612	500.000000	1
+5	0	10	16	0.000000	0.000000	0.000000	0.000000	-16.538635	-179.983110	500.000000	1
+6	0	10	16	0.000000	0.000000	0.000000	0.000000	-16.536096	179.900558	500.000000	1
+7	0	10	16	0.000000	0.000000	0.000000	0.000000	-16.483928	179.927090	500.000000	1
+8	0	0	177	2.000000	-1.000000	0.000000	0.000000	0.000000	0.000000	0.000000	1

Tools/autotest/locations.txt

@@ -71,3 +71,4 @@ NDRCC=33.24065965,-96.93759168,163.5,167
 Boquig=16.090473,120.361478,3,0
 Semisopochnoi=51.9634,179.756,120.0,90.0
 Unalga=51.578,-179.0483,42.0,270.0
+Rabi=-16.51273251,179.97642023,7.5,90