Bring back -q description

Seems to be mentioned in other places [1] but smh missed here.

[1] https://github.com/jakejs/jake/search?q=quiet

Author: falsefalse

usage.txt

@@ -5,12 +5,13 @@ If no flags are given, Jake looks for a Jakefile or Jakefile.js in the current d
 {Usage}: jake [options ...] [env variables ...] target
 
 {Options}:
-  -f,     --jakefile FILE            Use FILE as the Jakefile.
-  -C,     --directory DIRECTORY      Change to DIRECTORY before running tasks.
-  -B,     --always-make              Unconditionally make all targets.
-  -T/-ls,  --tasks                 Display the tasks (matching optional PATTERN) with descriptions, then exit.
-  -J,     --jakelibdir JAKELIBDIR    Auto-import any .jake files in JAKELIBDIR. (default is \'jakelib\')
-  -h,     --help                     Display this help message.
-  -V/-v,   --version                  Display the Jake version.
-  -ar,    --allow-rejection          Keep running even after unhandled promise rejection
+  -f,      --jakefile FILE          Use FILE as the Jakefile.
+  -C,      --directory DIRECTORY    Change to DIRECTORY before running tasks.
+  -q,      --quiet                  Do not log messages to standard output.
+  -B,      --always-make            Unconditionally make all targets.
+  -T/-ls,  --tasks                  Display the tasks (matching optional PATTERN) with descriptions, then exit.
+  -J,      --jakelibdir JAKELIBDIR  Auto-import any .jake files in JAKELIBDIR. (default is \'jakelib\')
+  -h,      --help                   Display this help message.
+  -V/-v,   --version                Display the Jake version.
+  -ar,     --allow-rejection        Keep running even after unhandled promise rejection.