[dune-fem] Trailing white spaces.

[Robert Kloefkorn]

Hello dune-fem,

I just ran a script to clean all source files in dune-fem, so that 
commit diffs are no longer messed up by white space changes caused by 
automatic white space removals.

Many editors can do this by default, e.g. for vim add the following 
lines to your .vimrc

" remove trailing white space at the end of lines in source files
autocmd BufWritePre *.hh,*.hpp,*.cc,*.cpp,*.h,*.c,*.patch,*.sh :%s/\s\+$//e

After you added this line to your .vimrc you can use the following 
command to clean your own repositories if you want.

find . -type f \( -name "*.cc" -o -name "*.hh" -o -name "*.hpp" -o -name 
"*.cpp" -o -name "*.h" -o -name "*.c" \) -exec vim -c "wq" {} \;

No warranty, though.

Best,

Rob