dns/dnsdbflex: Upgrade to 1.0.7

• 1.0.7:
  • nroff typo fix; was getting ---mode in output
  • Sync with a dnsdbq change: require API key passed in $DNSDB_API_KEY environment variable if not in the config file as APIKEY or DNSDB_API_KEY. Allow DNSDB_API_KEY in config file instead of APIKEY
  • sync latest dnsdbq changes to dnsdbflex: curl timeout option
  • Remove extra space in debug message
  • sync with dnsdbq

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