Downgraded release plugin to .m1

Author: artem-v

pom.xml

@@ -61,7 +61,7 @@
     <maven-surefire-plugin.version>3.0.0-M1</maven-surefire-plugin.version>
     <maven-gpg-plugin.version>1.6</maven-gpg-plugin.version>
     <nexus-staging-maven-plugin.version>1.6.8</nexus-staging-maven-plugin.version>
-    <maven-release-plugin.version>3.0.0-M2</maven-release-plugin.version>
+    <maven-release-plugin.version>3.0.0-M1</maven-release-plugin.version>
     <maven-enforcer-plugin.version>3.0.0-M3</maven-enforcer-plugin.version>
     <maven-pmd-plugin.version>3.13.0</maven-pmd-plugin.version>
     <maven-checkstyle-plugin.version>3.0.0</maven-checkstyle-plugin.version>