use 2.7.0-SNAPSHOT, to use latest nexus components
adjust min Maven version to 3.0.4 for the 3.x version - as that is the only minimum sane version to use
bump version to 1.5-SNAPSHOT as a way to isolate maven 3.1 support
NXCM-5424: Added p-u as direct dependency of the plugin

As SecDispatcher mojo commons uses to decrypt passwords
need it, and older versions of p-u lacks XmlStreamReader class
NXCM-5424: Moved dep near to it's user
Merge pull request #47 from sonatype/nexus-5424-add-p-u

NXCM-5424: Added p-u as direct dependency of the plugin
Merge remote-tracking branch 'origin/master' into nxcm-5403-mvn221
No not redeploy POM