Added Area process to demo Fixed get_data_from_kvp while doing a GET request with empty input identifier
Added Area process to demo
Fixed get_data_from_kvp while doing a GET request with empty input identifier

ldesousa/pywps-4-demo,geopython/pywps-demo,jachym/pywps-4-demo,ldesousa/pywps-4-demo,PyWPS/pywps-4-demo,jachym/pywps-4-demo,geopython/pywps-demo,geopython/pywps-demo,PyWPS/pywps-4-demo