Bump maven-release-plugin to 2.5.1
Bump maven-release-plugin to 2.5.1

apache/helix,apache/helix,apache/helix,dasahcc/helix,lei-xia/helix,apache/helix,lei-xia/helix,apache/helix,lei-xia/helix,lei-xia/helix,dasahcc/helix,lei-xia/helix,dasahcc/helix,apache/helix,lei-xia/helix,dasahcc/helix,dasahcc/helix,dasahcc/helix