[bin] Add `--plain` option disabling CLI colors
[bin] Add `--plain` option disabling CLI colors

Fixes #112.

yyx990803/forever,jotham/forever,ContinuumIO/forever,saisai/forever,rbramwell/forever,jotham/forever,JJediny/forever,kethle/forever,yyx990803/forever,foreverjs/forever,ContinuumIO/forever,rakyll/forever,JJediny/forever,ryan321/forever,Jonekee/forever,vcarrera/forever,foreverjs/forever,jqk6/forever,rakyll/forever,Jonekee/forever,arnabsinha4u/demo-documentation,saisai/forever,rbramwell/forever,ryan321/forever,jqk6/forever,nguyen-tien-mulodo/forever,vcarrera/forever,arnabsinha4u/demo-documentation,kethle/forever,nguyen-tien-mulodo/forever