Version 3.1.0

Fixed bugs causing certain files (e.g. CSS and JavaScript) to appear to never be updated. This can be problematic with certain build systems. Also fixed an error which caused the pages feature to be unable to copy sub-directories. Finally, fixed an issue which could have potentially broken the command-line -w/--warn option.

Added a -q/--quiet option to the CLI (as well as a quiet setting for project file metadata) which suppresses all output from FORD.