Add ';' to 'do while' make 'for' similar
Change .length() to .length in intro-C
Change *argv to argv in intro-C

Le tableau est argv, *argv est son premier élément.
Match .out and .c for trailing space

After removing trailing space from .out files,
I need to remove it from the printf in the file
which printed it to be consistent
Remove args.out args.sh.out and hello.sh.out

They were misplaced and then recreated by another commit
at another place so now we have to delete them
Move exemple.out, exemple2.out and exemple3.out

They are refered to in intro.rst by src/exemple*.out so
they need to be moved.