Various patches to smf

Sorunome e695a2f9be readme %!s(int64=9) %!d(string=hai) anos
modification.xml fad611a25a . %!s(int64=9) %!d(string=hai) anos
package-info.xml fad611a25a . %!s(int64=9) %!d(string=hai) anos
readme.txt e695a2f9be readme %!s(int64=9) %!d(string=hai) anos

readme.txt

Fixes:
- some array to string conversion when parsing bb-code
- youtube urls allow https
- some undefined offsets when creating the nav