iang/arctic: Library and benchmark program for Arctic and Shine @ 2e2319d21969ee830009d331786531c0e6b10ebe

Ian Goldberg 2e2319d219 We don't need CombineComm to do the verification step in Combine		2 lat temu
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bin	30386c4314 Be able to set the coalition size independently of n and t	2 lat temu
arctic.rs	2e2319d219 We don't need CombineComm to do the verification step in Combine	2 lat temu
lagrange.rs	bfe6dcde04 Initial implementation of Arctic	2 lat temu
lib.rs	568968c6e2 cargo fmt	2 lat temu
shine.rs	2e2319d219 We don't need CombineComm to do the verification step in Combine	2 lat temu