CxPilot-5.2.0 Release #669

Job	Run time
build (base)	2m 54s
build-gcc-heli	2m 44s
build (clang)	2m 28s
autotest-heli (sitltest-heli)	15m 16s
autotest (sitltest-copter-tests1a)	19m 8s
autotest (sitltest-copter-tests1b)	19m 16s
autotest (sitltest-copter-tests1c)	21m 21s
autotest (sitltest-copter-tests1d)	21m 42s
autotest (sitltest-copter-tests1e)	21m 52s
autotest (sitltest-copter-tests2a)	18m 41s
autotest (sitltest-copter-tests2b)	42m 24s
	3h 7m 46s

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