Store the log files in the user directory
Mac: ~/Library/Logs/Adobe/Adobe Photoshop CC/Generator
Win: ~\AppData\Roaming\Adobe\Adobe Photoshop CC\Generator\logs
[Fallback: ~/Adobe/Adobe Photoshop CC/Generator/logs]
Merge pull request #46 from adobe-photoshop/dk/external-log

Store the log files in the user directory