EMBRYO-28, EMBRYO-49, EMBRYO-54: Using Dates instead of Strings in REST
classes. Using same date format in all dialogs.
Merge branch 'master' of github.com:dma-dk/Embryo

Conflicts:
	src/main/java/dk/dma/embryo/domain/GreenPosSailingPlanReport.java

EMBRYO-54: added fix such floating point values are used in JSON to
represent latitude and longitude