- add how to use with logstash - slight tweaks to other sections
- add how to use with logstash
- slight tweaks to other sections

linearregression/log-courier,scrapinghub/log-courier,dixitk13/log-courier,srizzling/log-courier,scrapinghub/log-courier,linearregression/log-courier,dixitk13/log-courier,MichaelLiZhou/log-courier,linearregression/log-courier,dixitk13/log-courier,srizzling/log-courier,MichaelLiZhou/log-courier,srizzling/log-courier,MichaelLiZhou/log-courier,scrapinghub/log-courier