GitFlow and RPM plugin incompatibility

[Aklakan]

It seems that this is a conflict between the gitflow and the rpm plugin (or at least the latter's configurations).
Disabling the rpm causes normal termination of mvn gitflow:release-finish.

[ERROR] 
org.apache.maven.plugin.MojoFailureException: SLF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.

    at com.amashchenko.maven.plugin.gitflow.AbstractGitFlowMojo.executeCommand (AbstractGitFlowMojo.java:963)
    at com.amashchenko.maven.plugin.gitflow.AbstractGitFlowMojo.executeMvnCommand (AbstractGitFlowMojo.java:905)
    at com.amashchenko.maven.plugin.gitflow.AbstractGitFlowMojo.mvnCleanTest (AbstractGitFlowMojo.java:824)