dynet-84. Add macro interfaces for serialization, collect boost serialization logic.
dynet-84. Add macro interfaces for serialization, collect boost serialization logic.


Former-commit-id: 36125cde1124c1288f841af8dfdc7a627963543d
danielhers/dynet,danielhers/dynet,chunyang-wen/dynet,chunyang-wen/dynet,danielhers/dynet,danielhers/dynet,clab/dynet,shuheik/dynet,clab/cnn,danielhers/dynet,xunzhang/dynet,xunzhang/dynet,clab/cnn,danielhers/dynet,shuheik/dynet,clab/cnn,xunzhang/dynet,clab/dynet,shuheik/dynet,chunyang-wen/dynet,clab/dynet,shuheik/dynet,xunzhang/dynet,clab/dynet,clab/dynet,clab/dynet,chunyang-wen/dynet,shuheik/dynet,danielhers/dynet,clab/dynet,shuheik/dynet,shuheik/dynet