Release 3.0.0

• Add geoip plugin #171
• Use Kubernetes annotations #170
• Generate patterns file #169
• cleanup code after review, use LRU cache for pod info 9c2493f
• move to maxmind@3.1.2, use sync reader to open maxmind DB f07a8ab
• remove geo-ip lookup from log parser c3b495a
• add geo-ip plugin cf2f3d0
• use annotations for config settings, fix wrong docker image name in k8s env b5895c9
• fix issues with k8s annotations bcd5985
• execute maxmind init procedure, when module is loaded 04b9574
• add kubernetes enrichment plugin 8182648
• update kuberntes-client lib 2572fbf
• add --writeConfig option to generate config file 6cefa4b
• code clean-up geoip plugin dccdacf
• update Redis log patterns 2c94aad
• make MQTT client options configurable 186930b
• integrate geo-ip plugin, add --geoipFields argument c1a6965
• add option --writePatterns d8b7220
• update example.yml file 2ae193e
• support env variable GEOIP_ENABLED 9ed5f10
• cleanup code after review 76c00fc
• fix issue finding patterns for a source 0c2f717
• cleanup and use standard-format 7d690d9
• remove geoip test for log parser d90a159
• pass error to callback cd6e93d
• catch file not found error 77f6862
• add --k8sEnrichment command line argument c3b066e
• support GEOIP_FIELDS env var ac2d32c
• enable kubernetes-enrichment in docker start script 445781e
• add LA version number to console output 6546cad
• adjust module name in for config entry: k8s-enrichment -> kubernetes-enrichment 9782d0d
• use callback in getPodSpec d0d9617
• cleanup code after review 4668876
• fix syntax error f3f3124
• fix geoip module loading 932dfaa
• rename geoip.js to geoip.js e0835f2
• rename plugin alias to 'geoip' a1e647d
• add travis test for node 12 08e4898
• fix readyCallback arguments a9b5c63
• fix exception while printing error message 639bcc8