3gp mime type
increase translate initial map size, clear on exit
 * I2CP: Move SSL client socket code to util,
   move cert location to certificates/i2cp.
 * I2PTunnel: Support SSL for connection to local server
   for Standard, HTTP, and IRC server tunnels.
   Put server cert in certificates/i2ptunnel if necessary.
 * Streaming: Throw IOE if socket is closed (ticket #1077),
              never return null from stream getters