mvn deploy to workbench artifact repository

Description of problem:

Platform BZ for https://issues.jboss.org/browse/GUVNOR-2102

Steps to Reproduce:
1. Create a simple mvn jar project
2. Configure distributionManagement in the pom.xml

<distributionManagement>
<repository>
<id>guvnor-m2-repo</id>
<url>http://localhost:8080/business-central/maven2/</url>
</repository>
</distributionManagement>

3. Make sure guvnor-m2-repo is authenticated

<server>
<id>guvnor-m2-repo</id>
<username>admin</username>
<password>password1!</password>
<configuration>
<wagonProvider>httpclient</wagonProvider>
<httpConfiguration>
<all>
<usePreemptive>true</usePreemptive>
</all>
</httpConfiguration>
</configuration>
</server>

4. Run 'mvn deploy'

Actual results:

Fails with

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project quickstart: Failed to deploy artifacts: Could not transfer artifact org.example:quickstart:jar:1.0.0 from/to guvnor-m2-repo (http://localhost:8080/business-central/maven2/): Failed to transfer file: http://localhost:8080/business-central/maven2/org/example/quickstart/1.0.0/quickstart-1.0.0.jar. Return code is: 405, ReasonPhrase:Method Not Allowed.

Expected results:

The jar is deployed to business-central maven repo so you can see it in [Artifact Repository].