One language to rule them all. Clean-up function.
	modifié:         plugin/vim_epub.py
	modifié:         plugin/vim_epub.vim
	modifié:         plugin/vim_epub.py
	modifié:         plugin/vim_epub.py
	modifié:         plugin/vim_epub.vim
	modifié:         plugin/vim_epub.vim
French translation of the helpfile because I eat bread, froggs and red wine.
	nouveau fichier: doc/vim-epub-french.txt
	modifié:         doc/vim-epub.txt