Improve javadoc for some addons (#15701)

Signed-off-by: Holger Friedrich <mail@holger-friedrich.de>

bundles/org.openhab.binding.homematic/src/main/java/org/openhab/binding/homematic/internal/common/HomematicConfig.java

@@ -360,7 +360,7 @@ public class HomematicConfig {
     }
 
     /**
-     * Returns the encoding that is suitable on requests to & responds from the Homematic gateway.
+     * Returns the encoding that is suitable on requests to and responds from the Homematic gateway.
      */
     public Charset getEncoding() {
         if (gatewayInfo != null && gatewayInfo.isHomegear()) {

bundles/org.openhab.binding.homematic/src/main/java/org/openhab/binding/homematic/internal/type/HomematicConfigDescriptionProvider.java

@@ -51,7 +51,7 @@ public interface HomematicConfigDescriptionProvider extends ConfigDescriptionPro
      * which are excluded by
      * {@link org.openhab.binding.homematic.type.HomematicThingTypeExcluder}
      * 
-     * @param URI config-description-uri
+     * @param uri config-description-uri
      *            e.g. <i>thing-type:homematic:HM-WDS40-TH-I-2</i>
      * @return ConfigDescription that was added to HomematicConfigDescriptionProvider,
      *         identified by its config-description-uri<br>

bundles/org.openhab.binding.homematic/src/main/java/org/openhab/binding/homematic/internal/type/HomematicThingTypeProvider.java

@@ -32,7 +32,7 @@ public interface HomematicThingTypeProvider extends ThingTypeProvider {
      * Use this method to lookup a ThingType which was generated by the
      * homematic binding. Other than {@link #getThingType(ThingTypeUID, Locale)}
      * of this provider, it will return also those {@link ThingType}s which are
-     * excluded by {@link HomematicThingTypeExcluder}
+     * excluded by {@link org.openhab.binding.homematic.type.HomematicThingTypeExcluder}
      * 
      * @param thingTypeUID
      *            e.g. <i>homematic:HM-Sec-SC</i>