message: Updated referenced Git submodules
diff: [submodule "tor"]
  path = tor
  -url=https://github.com/spectrecoin/tor.git
  - branch = spectre
  + url=ssh://git@hlxeasy-bitbucket:7999/bloc/tor.git
  + branch = cmake-migration
  [submodule "leveldb"]
  path = leveldb
  - url = https://github.com/spectrecoin/leveldb
  - branch = spectre
  + url = ssh://git@hlxeasy-bitbucket:7999/bloc/leveldb.git
  + branch = cmake-migration
  [submodule "db4.8"]
  path = db4.8
  - url = https://github.com/spectrecoin/db4.8
  + url = ssh://git@hlxeasy-bitbucket:7999/bloc/db4.8.git
  + branch = cmake-migration
  