Mod (z)sh conditionals; update gnome_terminal.

Mod:
	vim/ftplugin/(sh, zsh).vim
		-mod formatting of `for` and `while` abbreviation expansions.

	gnome_terminal/
		-the terminal stopped recognizing my config files -- re-initialize all
		my previous settings, commit the generated XML files.
Add (z)sh highlighting, function syntax match.

Add:
	vim/ftplugin/(sh, zsh).vim
		-add syntax matches for surrounding elements, mathematical operators,
		etc..

	vim/ftplugin/(c, sh, zsh).vim
		-add syntax match for declared function name.