Update to v1.1.0-beta1

Merge pull request #1 from Polda18/bugfixes

Bugfixes

Hot bug fix v1.0.1-SNAPSHOT

- EventsListener now listens for player prelogin event than join event

Changes for v1.0

- Removed GitHub Pages documentation (for now)
- Added version subcommand and autocomplete
- Tweaking existing language entries and autocomplete

Changes for v1.0 Release Candidate 1

- Added feature for online mode server that seeks username change when an unknown username joins the server
- Added JavaDoc in the source code
- Started GitHub pages documentation

Readme fix #2

Whitelist function implemented

Additional changes:
- Command changed to /whitelist or /wl
  (to replace vanilla one)
- Code refactorization and change of permission system
- First ALPHA Snapshot release: 0.1-SNAPSHOT