Upgrade to maven-duplicate-finder-plugin 1.0.5

This adds a cache which accelerates mvn install:

1.0.3:

real    3m4.419s
user    3m29.749s
sys     0m48.495s

1.0.5:

real    1m48.533s
user    2m22.457s
sys     0m46.331s
applies tidies for imageChooser (JCLOUDS-331) as suggested in pull #202
remove addl whitespace pointed out in JCLOUDS-331
JCLOUDS-381. Allow explicit naming of nodes via TemplateOptions.