Add proxy information to FAQ.
Add proxy information to FAQ.

Fixes #160.

jackschmidt/rclone,greendayo7/rclone,jackschmidt/rclone,seuffert/rclone,olihey/rclone,ncw/rclone,kynikos/rclone,ncw/rclone,kynikos/rclone,arcimboldo/rclone,olihey/rclone,seuffert/rclone,greendayo7/rclone,B4dM4n/rclone,arcimboldo/rclone,B4dM4n/rclone,seuffert/rclone,olihey/rclone,arcimboldo/rclone,kynikos/rclone,jackschmidt/rclone,olihey/rclone,yonjah/rclone,yonjah/rclone,ncw/rclone,kynikos/rclone,jackschmidt/rclone,greendayo7/rclone,yonjah/rclone,yonjah/rclone,seuffert/rclone,ncw/rclone,B4dM4n/rclone,greendayo7/rclone,B4dM4n/rclone,arcimboldo/rclone