Release Spring Vault 3.1.0-M1.

Closes gh-818

Author: mp911de

pom.xml

@@ -4,7 +4,7 @@
 
 	<groupId>org.springframework.vault</groupId>
 	<artifactId>spring-vault-parent</artifactId>
-	<version>3.1.0-SNAPSHOT</version>
+	<version>3.1.0-M1</version>
 
 	<name>Spring Vault</name>
 	<description>Parent project for Spring Vault</description>
@@ -69,7 +69,7 @@
 		<developerConnection>
 			scm:git:ssh://[email protected]/spring-projects/spring-vault.git
 		</developerConnection>
-		<tag>HEAD</tag>
+		<tag>3.1.0-M1</tag>
 	</scm>
 
 	<issueManagement>

spring-vault-core/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>org.springframework.vault</groupId>
 		<artifactId>spring-vault-parent</artifactId>
-		<version>3.1.0-SNAPSHOT</version>
+		<version>3.1.0-M1</version>
 	</parent>
 
 	<artifactId>spring-vault-core</artifactId>

spring-vault-distribution/pom.xml

@@ -13,7 +13,7 @@
 	<parent>
 		<groupId>org.springframework.vault</groupId>
 		<artifactId>spring-vault-parent</artifactId>
-		<version>3.1.0-SNAPSHOT</version>
+		<version>3.1.0-M1</version>
 		<relativePath>../pom.xml</relativePath>
 	</parent>