Install a needed header and symlink the shared library
Install a needed header and symlink the shared library

* ipfs/http/transport.h must also be installed
* symlink the shared library in the usual way:
  libipfs-api.so -> libipfs-api.so.0
  libipfs-api.so.0 -> libipfs-api.so.0.1.0
  libipfs-api.so.0.1.0

vasild/cpp-ipfs-api,vasild/cpp-ipfs-api