soundd: add .aac file type
arduino: new command 1,2,3,...
update .gitignore
beopardy: fix indentation
beopardy: avoid reset 'F' if no button pressed
soundd: use mplayer for mp3
beopardy: introduce new font size for categories
beopardy: use UTF-8 encoding for input files
beopardy: convert source code to UTF-8
beopardy: use pixmap image in Jeopardy
beopardy: support JPG and PNG images
beopardy: fix double jeopardy serial communication
beopardy: update error message and comments
update TODO
beopardy: leave button locked after correct answer
beopardy: no button reset on double jeopardy