added improved Czech translation from Pavel Fric

git-svn-id: https://lmuse.svn.sourceforge.net/svnroot/lmuse/trunk@1699 21394207-e112-0410-bd00-e4265ec52c78
metronome work

git-svn-id: https://lmuse.svn.sourceforge.net/svnroot/lmuse/trunk@1700 21394207-e112-0410-bd00-e4265ec52c78
ooops

git-svn-id: https://lmuse.svn.sourceforge.net/svnroot/lmuse/trunk@1701 21394207-e112-0410-bd00-e4265ec52c78
oops2, some fiddling with the part graphics got included

git-svn-id: https://lmuse.svn.sourceforge.net/svnroot/lmuse/trunk@1702 21394207-e112-0410-bd00-e4265ec52c78