Update README.md

Amount of time spent on guessing why my delicate ELK ecosystem stopped shipping half of the logs made me to update this :)
Update README.md

Another version of SSL cert warning
Merge pull request #233 from mieciu/patch-1

Update README.md
Config file handling improvements:
 * Load multiple configuration files from a directory
 * Ignore empty configuration files
 * Filter '#' style comments from JSON configs
 * config.go is confused as to whether it has 8 space tabs or 2 space tabs, go with 8
Merge pull request #1 from mipearson/MultipleConfigFiles

Config file handling improvements: