Remove get/setAuthority method from CRS subclasses (redundant with Identifier).
Add java doc in several classes of the crs package, and in GeodeticDatum.
Fix the csv file used to test the results (probably created with an old proj4 version).
UTM30 and 31 now pass if compared with proj4  v4.8.0. There  is still a problem with UTM32 but CTS is consistent with Circe.
Next line to block is line 24.