Errors_en changes for revisions 20873:20874

Changes in GeoTools header only. The removal of the "or (at your option) any later version" clause must be keep in Geotk for every classes having contribution from a developer other than those who accepted re-licensing. This header does not apply to Apache SIS, since the above-cited contributions are omitted.

Command line:

svn diff --extensions "--unified --ignore-space-change --ignore-all-space --ignore-eol-style" -r20873:20874 https://svn.osgeo.org/geotools/trunk/modules/library/metadata/src/main/java/org/geotools/resources/i18n/Errors.properties
Revision 20873Revision 20874
AMBIGIOUS_AXIS_LENGTH=Ambiguous axis length.
ANGLE_OVERFLOW_$1=Angle {0} is too high.
ANTIPODE_LATITUDES_$2=Latitudes {0} and {1} are opposite.
# (C) 2003-2006, Geotools Project Managment Committee (PMC)
AMBIGIOUS_AXIS_LENGTH=Ambiguous axis length.
ANGLE_OVERFLOW_$1=Angle {0} is too high.
ANTIPODE_LATITUDES_$2=Latitudes {0} and {1} are opposite.