** Bumped version into 3.0.21-SNAPSHOT
** Fixed bug #72
** Suppressed SocketExceptions from error mailing
** Added logged user id into error mail
** Added postback redirects into gamelibrary management view (fixes
issue #11)
Merge branch 'BUG-11_GMPB' into devel
** Added link into publication into publication management (solves issue
#73)
** Changed version into 3.0.21