Prepare release v2.7.2

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## [v2.7.2] - 2019-07-30
+
+### Fixed:
+- **[dnsprovider]** vultr: quote TXT record
+
 ## [v2.7.1] - 2019-07-22
 
 ### Fixed:

acme/api/internal/sender/useragent.go

@@ -5,10 +5,10 @@ package sender
 
 const (
 	// ourUserAgent is the User-Agent of this underlying library package.
-	ourUserAgent = "xenolf-acme/2.7.1"
+	ourUserAgent = "xenolf-acme/2.7.2"
 
 	// ourUserAgentComment is part of the UA comment linked to the version status of this underlying library package.
 	// values: detach|release
 	// NOTE: Update this with each tagged release.
-	ourUserAgentComment = "detach"
+	ourUserAgentComment = "release"
 )