Trust OEmbed HTML when it's available
Trust OEmbed HTML when it's available

- Reworked bb_attachment() to trust OEmbed content when it's
successfully pulled
- Fix coding standard by renaming parameter and variables

friendica/friendica,friendica/friendica,annando/friendica,fabrixxm/friendica,annando/friendica,tobiasd/friendica,friendica/friendica,fabrixxm/friendica,friendica/friendica,annando/friendica,annando/friendica,tobiasd/friendica,tobiasd/friendica,annando/friendica,tobiasd/friendica,fabrixxm/friendica,fabrixxm/friendica,friendica/friendica,tobiasd/friendica,fabrixxm/friendica