Description of Four New Salinibacter Species, Two Cultivated and Named Following the Rules of the Bacteriological Code: Salinibacter Pepae Sp. Nov., Salinibacter Grassmerensis Sp. Nov.; and Two Uncultivated and Named Following the Rules of the Seqcode: Salinibacter Abyssi Sp. Nov., and Salinibacter Pampae Sp. Nov