Bug fixes and refinements!

- Improvements to '/tours'
    - Replaced 'Tours Check' with 'Tours List' to list all names on the RangersList (in config yml)
-Improvements to '/tour':
    - now displays name of Ranger running current tour
    - displays list of online Rangers when no tours running
-Fixes for '/tour start'
    - fixed some issues relating to notifications
Merge branch 'master' of https://github.com/daggs/MCME-Tours
Bug fixes and refinements!

- Improvements to '/tours'
    - Replaced 'Tours Check' with 'Tours List' to list all names on the RangersList (in config yml)
-Improvements to '/tour':
    - now displays name of Ranger running current tour
    - displays list of online Rangers when no tours running
-Fixes for '/tour start'
    - fixed some issues relating to notifications