update pom.xml repository information

[jodygarnett]

Ares is reporting the following:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-deploy-plugin:2.7:deploy (default-deploy) on project geofence: Failed to deploy artifacts: Could not transfer artifact org.geoserver.geofence:geofence:pom:3.0-20151017.213556-173 from/to boundless (http://repo.boundlessgeo.com/main): Failed to transfer file: http://repo.boundlessgeo.com/main/org/geoserver/geofence/geofence/3.0-SNAPSHOT/geofence-3.0-20151017.213556-173.pom. Return code is: 302, ReasonPhrase:Moved Temporarily. -> [Help 1]

Please see [blog post|http://blog.geoserver.org/2015/09/29/new-repository-and-release-delay/] for replacement.

While repository has not changed (for dependencies):

  <repository>
   <id>boundless</id>
   <name>Boundless Maven Repository</name>
   <url>http://repo.boundlessgeo.com/main/</url>
  </repository>

The distribution management section has changed:

<distributionManagement>
  <repository>
   <id>boundless</id>
   <name>Boundless Release Repository</name>
   <url>https://boundless.artifactoryonline.com/boundless/release/</url>
   <uniqueVersion>false</uniqueVersion>
  </repository>
  <snapshotRepository>
   <id>boundless</id>
   <uniqueVersion>false</uniqueVersion>
   <name>Boundless Snapshot Repository</name>
   <url>https://boundless.artifactoryonline.com/boundless/snapshot/</url>
  </snapshotRepository>
 </distributionManagement>

[jodygarnett]

This change will need to be applied to any active branch (not just master), see pom.xml.

A fix has been supplied as #59