Windows compatible line breaks

git-svn-id: http://cantata.googlecode.com/svn/trunk@4259 b1e49159-3266-923f-9c3e-04f16369770a
Rename text files to have .txt file extensions for Windows compatibility

git-svn-id: http://cantata.googlecode.com/svn/trunk@4260 b1e49159-3266-923f-9c3e-04f16369770a