Set version to 0.24.1+.
Update for Swedish language

Added missing translations for Swedish.
Add PHP exec wrapper.
Replace backtick operator with exec.
Update bg translation.
Update pt translation, add ko translation.
Merge pull request #274 from willeponken/patch-1

Update for Swedish language
Cleanup.
Update readme and license.
Add passthru delegate and avconv support.
Add padding to rational thumbs.
Refactoring PHP init code.
Update zh-cn.json
Refactoring.
More refactorings.
More refactorings.
More refactorings.
More refactorings.
Remove PHP closing tags.
More refactorings.