Make MONICA build and run with updated JSON meta format

Update monica-jv.pro
Update meta.json format
Update Configuration::run
Fix Configuration:getXX to check for JSON null
Fix Configuration:createLayers to work correctly with new horizon thickness property
Add JSON example files to project.json
Add linux build script
Add more console feedback in monica-json-main.cpp
Add ignore dot files to gitingnore
Remove a dot file