0.2.8

1. Use pointer style for grid items, to indicate they are clickable.
2. When updating steam meta-data for current queue item, use its "playlist index" to update correct item.
3. Only show duration if greater than 0.
4. Only use semi-transparent time progress for mobile and large desktop views.
5. Don't lock webapp orientation to portrait.
6. Use bold font for title of current playqueue item.