Add sshconfig; remove most of ftplugin/*.vim.

Add:
	sshconfig
		-add my ~/.ssh/config file.

Mod:
	bbsync.zsh
		-path to the blackberry's music directory was incorrect (missing the
		final subdir music/)

	vim/ftplugin/*.vim
		-remove all of the ftplugin/*.vim files that were placeholders (ie,
		didn't contain any statements beyond a "source ~/.vimrc-after"), which
		were copied over from ~/.vim/ftplugin.