Remove ported legacy Ui
Remove Timeline legacy Ui
Remove Plugin Console legacy Ui
Merge pull request #557 from sonatype/remove-legacy-ui-plugins

REVIEW: Remove Plugin Console legacy Ui
Merge pull request #556 from sonatype/remove-legacy-ui-feeds

REVIEW: Remove Timeline legacy Ui
Merge pull request #555 from sonatype/remove-legacy-ui-part-1

REVIEW: Remove ported legacy Ui
NX-393: remove nexus-plugin packaging
NX-393: update P2 unpacking process to work with new layout
NX-393: use global list of dependencies to exclude from embedding
NX-393: exclude version from nexus-extender directory name
NX-393: clean-up bnd instructions