fixed signal-cli-native version in Dockerfile

fixed deadlock in json-rpc mode

* properly unlock mutex to avoid deadlock

see #572

fixed deadlock in Websocket write

* properly unlock mutex to avoid deadlock

see #572

Merge pull request #570 from ksangers/master

For reverse proxies, add SWAGGER_HOST environment variable support

fixed bug in send method

* allow sending messages to the sourceUuid

see #550

Merge branch 'master' of github.com:bbernhard/signal-cli-rest-api

Merge branch 'master' of github.com:bbernhard/signal-cli-rest-api

updated signal-cli-native to v0.13.2+3

return HTTP status code 429 in case of rate limiting

return HTTP status code 429 in case of rate limiting