Adding certificates from the Java version.
Merge branch 'master' of github-meeh420:orignal/i2pd

* 'master' of github-meeh420:orignal/i2pd:
  delete unreachable SSU sessions
  show number sent/received bytes through the status page
  resend
  fixed memory leak
  close connection to first hop of declined tunnel
  process extended data
  handle individaul bitfields ack
  Moving file list to a common one. Still in makefile format, but now with CPP/H as input instead of OBJECTS. Issue #82
  Removing Qt build file. Issue #82
  create inbound tunnel though outbound
  Makefile now detects which file to use (OSX or Linux) Issue #82
  Prepare support for POST/PUT
  close SSU session if not established
  send ack per fragment. temporary disble check for duplicated through IV
  fixed memory leak
  save out-of-sequence fragments