-fix bug with songs not refreshing when presenting a set
-improve logging to use username in path
-added time signature and song speed to exported pdfs
-added confirmation before exporting songs/set to pdf
-keep selected song selected on refresh
-fixed bug where song notes were lost when refreshing song
-added shortcut keys for transposing song key and changing capo to editorform
-open pdf folder when exporting all songs to pdf
-change print and media folder to the data directory