Merge pull request #11 from reefangel/dev

Dev
Added json header type
Another tweak to the waterleve definitions
Merge remote-tracking branch 'origin/dev' into dev
Fixed issues with waterlevel expansions
Added new KalkDoser method
Merge pull request #12 from brunnels/ATO_PH

Fixed issues with waterlevel expansions
More waterlevel enhancements
Added fix for KalkDoser method.
Added buildtime defs to enable/disable KALKDOSER
Added buildtime check for KALKDOSER