fix fscanf warnings, update mpd.c and mpd.h to new convention
mpd module fixed
Fixed build.sh, new function timeconv (converts seconds to hh:mm:ss), mpd.c working
Merge pull request #8 from Jgke/next

mpd.c updated to new convention (issue #6), fix warnings on fscanf, new function timeconv
Merge pull request #9 from JuhaniImberg/next

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