Now it is possible to trigger a connection attempt via JSON API
The API call success with any valid peer id
/peers/attempt_connection
{"peer_id":"d441e8890164a0f335ad75acc59b5a49"}
{"data":null,"debug_msg":"","returncode":"ok"}
The API call fail if the peer id is invalid
/peers/attempt_connection
{peer_id:"9090"}
{"data":null,"debug_msg":"Invalid peer_id\n","returncode":"fail"}
Related to issue: Touching offline trusted node cloud should trigger connection attempt
https://gitlab.com/angesoc/RetroShare/issues/4
