Release notes for 1.6.1 (#3080)

Add the new (short) notes for the 1.6.1 release.
Signed-off-by: Miek Gieben <miek@miek.nl>

notes/coredns-1.6.1.md

++++
+title = "CoreDNS-1.6.1 Release"
+description = "CoreDNS-1.6.1 Release Notes."
+tags = ["Release", "1.6.1", "Notes"]
+release = "1.6.1"
+date = 2019-08-02T14:35:47+01:00
+author = "coredns"
++++
+
+The CoreDNS team has released
+[CoreDNS-1.6.1](https://github.com/coredns/coredns/releases/tag/v1.6.1).
+
+This is a small (bug fix) release.
+
+# Plugins
+
+* Fix a panic in the [*hosts*](/plugins/hosts) plugin.
+* The [*reload*](/plugins/reload) now detects changes in files imported from the main Corefile.
+* [*route53*](/plugins/route53) increases the paging size when talking to the AWS API, this
+  decreases the chances of getting throttled.
+
+## Brought to You By
+
+Alan,
+AllenZMC,
+dzzg,
+Erik Wilson,
+Matt Kulka,
+Miek Gieben,
+Yong Tang.
+
+## Noteworthy Changes
+
+core: log panics (https://github.com/coredns/coredns/pull/3072)
+plugin/hosts: create inline map in setup (https://github.com/coredns/coredns/pull/3071)
+plugin/reload: Graceful reload of imported files (https://github.com/coredns/coredns/pull/3068)
+plugin/route53: Increase ListResourceRecordSets paging size. (https://github.com/coredns/coredns/pull/3073)