CommandModuleItem: add new BasicDetails methods

The BasicDetails interface gained a couple of new methods regarding the
key/value pairs table (primarily for @Attrs). The CommandModuleItem
should extract that information from the @Parameter just the same as it
does for all the other metadata.
Update to scijava-common 2.11.1

2.11.1 is now specified in pom-scijava, so let's unpin from 2.11.0.