backport pull #920

via:
    curl https://github.com/logstash/logstash/pull/920.diff | patch -p1
backport pull #913 to 1.3.x

via:
    curl https://github.com/logstash/logstash/pull/913.diff | patch -p1
backport pull request #923 (LOGSTASH-1718)
Added copying of ca-bundle.crt to makefile
Update changelog for 1.3.3
bump to 1.3.3
Update changelog
fixed utf8 exception
catching exception
fixed event exception
fix utf 8 problem