EPSGDataAccess changes for revisions 25706:25707

This commit is mostly a reformatting of the comment; there is no obvious change in the content. Anyway, those comments have been reworded and expanded in SIS.

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svn diff --extensions "--unified --ignore-space-change --ignore-all-space --ignore-eol-style" -r25706:25707 https://svn.osgeo.org/geotools/trunk/modules/library/referencing/src/main/java/org/geotools/referencing/factory/epsg/DirectEpsgFactory.java
Revision 25706Revision 25707
/**
 * The set of authority codes for different types. This map is used by the
 * {@link #getAuthorityCodes} method. Note that this factory can't be disposed
 * as long as some cached sets are in use (i.e. as long as this map is not empty).
 * This is why a weak value map is mandatory here. The {@link AuthorityCodes#finalize}
 * methods take care of closing the stamenents used by the sets.
 */
private final Map/*<Class,Reference<AuthorityCodes>>*/ authorityCodes = new HashMap();
/**
 * The set of authority codes for different types. This map is used by the
 * {@link #getAuthorityCodes} method.
 * <p>
 * Note that this factory can't be disposed as long as some cached sets are in use (i.e. as long as this map is not empty).
 * This is why a weak value map is mandatory here.
 *
 * The {@link AuthorityCodes#finalize} methods take care of closing the stamenents used by the sets.
 */
private final Map/*<Class,Reference<AuthorityCodes>>*/ authorityCodes = new HashMap();