features 8.x-3.0-beta1

Changes since 8.x-3.0-alpha6:

• #2697007 by mpotter: Remove empty features
• #2697867 by mpotter: Installed Package in a bundle is shown as not-exported
• #2663692 by vasi, mpotter, nedjo: New assignment plugins not registered to features bundle
• #2598358 by mpotter: Non-required config gets marked as Conflict
• #2655286 by mpotter: Rename extensionProvided and providingFeature properties of ConfigurationItem
• #2697111 by mpotter: Features installs old config settings
• #2696983 by mpotter: Display all labels for a feature in the list
• #2693823 by mpotter: Allow conflicts checkbox not updating edit form
• #2693745 by mpotter: In EditForm, conflict module name is just a single character
• #2674792 by vasi: Config import fails when auto-creating new features bundles
• Show package causing conflict in mouse-over title
• #2687245 by mpotter: Config dependencies not getting added to Feature export
• #2691625 by mpotter: Add option to mark a feature as "Required: All"
• #2684071 by mpotter: State: Missing is confusing
• Merge branch '8.x-3.x' of git.drupal.org:project/features into 8.x-3.x
• #2693007 by mpotter: Existing config plugin only working for enabled modules
• #2692507 by vasi: FeaturesBundleIntegrationTest has wrong namespace
• #2666836 by mpotter, vasi: Field Storage isn't automatically selected when a Field is selected
• #2686947 by kpoornima: Features ESLint errors
• #2624542 by mpotter, nedjo, panche: Error on feature edit page when configuration missing from feature
• #2635952 by Grimreaper: Configure link for Features should be for Features UI.
• #2668526 by Grimreaper: Do not export _core default_config_hash.
• #2665014: Remove obsolete assignmentSettings property of FeaturesManager.
• #2662258 by nedjo: Default feature descriptions should be in present not imperative tense.
• #2664784 by nedjo: Exclude assignment plugin should flag config items rather than unsetting them.
• #2635714 by smk-ka, edysmp: further fixes to drush code.
• #2653124 by nedjo: Remove obsolete code missed in previous cleanup of ''settings'.