Fix carousel step arrows getting cut off.
Wrap propertyKeys in a div for better compability.

- Fixes the text overflow error of labels in Safari.
Add support for server authentication in Neo4j Browser

- Browser exposes authentication and uses authorization if needed.
- Set of new :server commands are now available, along with documentation for such.
Import tool recognizes 'TAB' delimiter as tab character
Import tool prints errors to System.err
Show a selected state on captions in inspector.
Let node resize circles sizes indicate their actions.
Update `:help keys` information

- Add info about `Esc` toggling fullscreen editor
- Add info about Mac users Ctrl->Cmd
Joining cluster member uses atomic broadcast after voting
Merge pull request #3540 from oskarhane/2.2-ui-fixes

Small UI fixes.
Merge pull request #3553 from oskarhane/2.2-improve-inspector-ux

Improve the inspector UX in Neo4j Browser
Merge pull request #3558 from oskarhane/2.2-help-mac-keys

Update `:help keys` information in browser
Merge pull request #3542 from oskarhane/2.1-auth-browser

Add support for server authentication in Neo4j Browser
Merge remote-tracking branch 'origin/2.1-maint'
Fix race in IndexLookupTest with getting the test index online
Merge pull request #3547 from tinwelint/2.2-import-tool-print-error

Import tool prints errors to System.err
Merge pull request #3545 from tinwelint/2.2-import-tool-tab-delimiter

Import tool recognizes 'TAB' delimiter as tab character
Reduces unnecessarily thrown exceptions

- when initially loading nodes and relationships, i.e. mostly checking
  that such exists. Previously went through a path throwing
  InvalidRecordException. Now uses method returning null or record.
- when visiting node degrees for state before commit, as part of
  committing nodes. Previously went through path throwing
  EntityNotFoundException. Now uses method returning boolean.
Ignores transactions w/o commit entry when migrating logs
Enables execution of IT tests in community/neo4j component

and fixed outdated tests:
- Some tests hadn't kept up with a change in exampledb.zip
- Test that exposed issue where database files were changed while
  migrating