[peripherals] some more defines for ITG3200 and info messages on aspirin configuration
[rotorcraft] motor arming with yaw: make the delay configurable via MOTOR_ARMING_DELAY
moved imu ppzuav and aspirin2_i2c subsystem makefiles to shared
[stm32][i2c] raise default I2C1_CLOCK_SPEED from 40kHz to 200kHz, print message with clock speed if defaults are used
[doc] minor updates for some modules
[dox] update Doxyfile for doxygen 1.8 and disable the stripping of doxygen comments in the source