message: Try to use CMake ready version of leveldb
diff: -#[submodule "tor"]
  -# path = tor
  -#url=https://github.com/spectrecoin/tor.git
  -# branch = spectre
  [submodule "leveldb"]
  path = leveldb
  - url = https://github.com/spectrecoin/leveldb
  - branch = cmake-migration
  + url = https://github.com/google/leveldb.git
  + branch = master
  [submodule "db4.8"]
  path = db4.8
  url = https://github.com/spectrecoin/db4.8
  - branch = cmake-migration
  \ No newline at end of file
  + branch = master
  