release v3.123

Modified cache and stats files belong to $HOME not /usr/share/fofix

See https://sources.debian.org/patches/fofix-dfsg/3.121-2/player-cache-location/.

Added changelog and updated the release id

Version 4.0.0 alpha 1

Merge branch 'wiki' into svn

Merge branch 'wiki' into svn

Merge branch 'wiki' into svn

Merge branch 'wiki' into svn

Merge branch 'wiki' into svn

Merge branch 'wiki' into svn