Update FAQ.md
Update FAQ.md

- revert to question format for client list
- new line for each sentence as requested
- corrected Ignored contacts section: they are included in delivery and will receive posts and private messages
annando/friendica,tobiasd/friendica,friendica/friendica,friendica/friendica,tobiasd/friendica,fabrixxm/friendica,tobiasd/friendica,friendica/friendica,annando/friendica,fabrixxm/friendica,annando/friendica,fabrixxm/friendica,annando/friendica,tobiasd/friendica,friendica/friendica,annando/friendica,fabrixxm/friendica,tobiasd/friendica,friendica/friendica,fabrixxm/friendica