Self-Organization of Intermetallic Systems: New Cluster-Precursors K12 = 0@12(Li9Ge3) and K9 = 0@9(Li8Ge) Li68Ge16-oC84 in the Crystal Structure, K11 = 0@11(Li6Ge5) and K6 = 0@6(Li5Ge) Cluster-Precursors in the Li44Ge24-oC68 Crystal Structure and K6 = 0@6(Li3Ge3) Cluster-Precursors in the Li12Ge12-tI24 Crystal Structure