bumped versions to 0.9.7-preview.1

Merge pull request Graylog2#83 from mhart/fix-gelf-race-condition

Fix nasty race condition when handling chunked GELF messages

bumped version to 0.9.6p1-RC2

bumped version to 0.9.6

bumped version to 0.9.6-beta

store hostnames in message counts base64 encoded

fixes #SERVER-84

bumped version for second preview release

updated VERSION for preview release

this push failed yesterday: reverted use of patched syslog re-itroduc…

…ing old behavior or previous version. this change leads to release of 0.9.5p1

disable AMQP by default in graylog2.conf example #NO_ISSUE