Renamed an extracted interfaces.
Converted test1 POMs to be stand-alone POMs to enable command-line
testing with alternate Maven versions.
Converted test1 POMs to be stand-alone POMs to enable command-line
testing with alternate Maven versions.
Converted test1 POMs to be stand-alone POMs to enable command-line
testing with alternate Maven versions.
Changed groupId.  Prototyped examining and manipulating other plugin
configuration.
Updated the groupId.