#611 fixed central/local configuration overwrite order.
#611 minor updates to config.get() via query.
#611 fixed issue with race condition on config rebuild.
#611 fixed another race condition.
- added support for better optimized config flow from central to local.
#611 refined config flow.
#613 updated static-favicon->serve-favicon
#611 removed console.log
#611 minor refactoring of calling convention.
#611 set logger level in tests to info.
#611 cleanup
#611 trying to reduce race condition even further.
Merge pull request #612 from joola/feature/#611

#611 fixed central/local configuration overwrite order.