Manpages of airspy in Debian jessie-backports

• airspy_gpio(1)
• airspy_gpiodir(1)
• airspy_info(1)
• airspy_lib_version(1)
• airspy_r820t(1)
• airspy_rx(1)
• airspy_si5351c(1)
• airspy_spiflash(1)