When a score is saved and reloaded, jumps loose any custom text style and markers loose any custom text style and text.

This is because Jump::read() and Marker::read() reset values read from the score with default values.

Fixed by commenting out / deleting those resets.
Merge pull request #446 from mgavioli/Jump_and_markers_loose_custom_style_and_texts

Jumps and markers loose custom styles and texts