Integrate Snowflake
This is more of a proposal to discuss: Currently we have different snowflake implementations in Android and Desktop. While Android is depending on IPtProxy but uses a somewhat fragile and complicated build setup, Desktop has copy and pasted the snowflake code and thus seems to be more far behind the current Snowflake implementation. In order to reduce the effort to have an up-to date snowflake implementation for all clients, we could integrate it into obfsvpn. However Snowflake doesn't use the obfs4 protocol, so obfsvpn might be a misleading naming or place for other protocols? That might also be the case for other protocols we want to use in the future though.