[Filebeat] move create-[module,fileset,fields] to mage (elastic#15836)

- move create-[module,fileset,fields] to mage
- make mage create commands available in x-pack/filebeat
- change Makefile to use mage for create commands

CHANGELOG.next.asciidoc

@@ -119,6 +119,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Add ingress nginx controller fileset {pull}16197[16197]
 - move create-[module,fileset,fields] to mage and enable in x-pack/filebeat {pull}15836[15836]
 - Add ECS tls and categorization fields to apache module. {issue}16032[16032] {pull}16121[16121]
+- move create-[module,fileset,fields] to mage and enable in x-pack/filebeat {pull}15836[15836]
 
 *Heartbeat*
 

go.mod

@@ -46,6 +46,7 @@ require (
 	github.com/dop251/goja v0.0.0-00010101000000-000000000000
 	github.com/dop251/goja_nodejs v0.0.0-20171011081505-adff31b136e6
 	github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4
+	github.com/eclipse/paho.mqtt.golang v1.2.0 // indirect
 	github.com/elastic/ecs v1.4.0
 	github.com/elastic/go-libaudit v0.4.0
 	github.com/elastic/go-licenser v0.2.1

go.sum

@@ -184,6 +184,8 @@ github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21 h1:YEetp8
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0 h1:YOEu7KNc61ntiQlcEeUIoDTJ2o8mQznoNvUhiigpIqc=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
+github.com/eclipse/paho.mqtt.golang v1.2.0 h1:1F8mhG9+aO5/xpdtFkW4SxOJB67ukuDC3t2y2qayIX0=
+github.com/eclipse/paho.mqtt.golang v1.2.0/go.mod h1:H9keYFcgq3Qr5OUJm/JZI/i6U7joQ8SYLhZwfeOo6Ts=
 github.com/elastic/ecs v1.4.0 h1:BGIUwWJhThRO2IQxzm7ekV9TMUGwZoYyevT5/1xmMf0=
 github.com/elastic/ecs v1.4.0/go.mod h1:pgiLbQsijLOJvFR8OTILLu0Ni/R/foUNg0L+T6mU9b4=
 github.com/elastic/fsevents v0.0.0-20181029231046-e1d381a4d270 h1:cWPqxlPtir4RoQVCpGSRXmLqjEHpJKbR60rxh1nQZY4=