Add: metrics support & remove outdated Permissions plugin support.  Update version to 1.9.
Dev: refactoring - extract config loading methods into separate class & cleanup main class.
Dev: update gitignore
Dev: refactor - extract logging methods into separate class and more cleanup
Dev: refactor - move permanenttime stuff into own class, extract a couple of Util methods & more main class cleanup
Dev: refactor - move Voting stuff from LVTPlayerListener to own class (VoteManager)