0.18.7

Bitcoin ABC version 0.18.7 is now available from:

https://download.bitcoinabc.org/0.18.7/

This release includes the following features and fixes:

• Add the -walletdir option to configure the directory in which the wallet
  files are stored. An absolute path should be used.
• Add the -debuglogfile option to change the path of the debug log file.
• Fix issue where bitcoin-qt fails to launch for Qt versions >=5.11
• Minimum supported version of gcc bumped to 4.8.0
• Several minor bug fixes