fix:

fix:
- do not crash when database file is not writable
- disable api.leoslyrics.com, not working anymore

new:
- get lyrics from id3 tag if available
- "Clear current songlist and play selected entry" -> active in context-menu or in filebrowser with red-button
- "Append file to current songlist" --> activate in context-menu or in filebrowser with blue-button
- "Insert file to current songlist and play next" --> activate in context-menu or in filebrowser with yellow-button
- show MerlinMusicPlayer-Screen after 7 seconds automatically, when you are in (iDream)filemodus