Fix jheberg.net

If the target was a direct link, then our script openened it, and
afterwards the script of the website opened it too, resulting in two
downloads instead of one.
linkbucks.com

Handle encrypted URL.

close #626
Fix strict mode violation.
Update comment.
Remove debug statement.
Remove timeout as well.
linkbucks.com

Fix verify url action.
Merge branch 'master' into develop
Sort contributor list.
Update changelog.
Update sites.
Bump version.