Enable org.coinspark.* logging via SFL4J
Changed https context to TLS and added debugging info
- HTTPS connection cipher is explicitly set in JRE 1.7 as a workaround to handshake problem
- HTTPS trust all certificates is only invoked if the user has set a sparkbit property httpsTrustAllCerts=true
- Tidied up some logging
Update JRE for all builds.