Fix errors reported by javadoc during maven build

src/main/java/com/optimaize/langdetect/i18n/LdLocale.java

@@ -34,8 +34,9 @@
  *
  * <p>The java.util.Locale cannot be used because it has issues for historical reasons, notably the
  * script code conversion for Hebrew, Yiddish and Indonesian, and more. If one needs a Locale,
- * it is simple to create one based on this object.<br/>
- * The ICU ULocale cannot be used because a) it has issues too (for our use case) and b) we're not
+ * it is simple to create one based on this object.</p>
+ *
+ * <p>The ICU ULocale cannot be used because a) it has issues too (for our use case) and b) we're not
  * using ICU in here [yet].</p>
  *
  * <p>This class does not perform any modifications on the input. The input is used as is, and the getters

src/main/java/com/optimaize/langdetect/ngram/NgramExtractor.java

@@ -77,7 +77,7 @@ public List<Integer> getGramLengths() {
     /**
      * Creates the n-grams for a given text in the order they occur.
      *
-     * <p>Example: extractSortedGrams("Foo bar", 2) => [Fo,oo,o , b,ba,ar]</p>
+     * <p>Example: extractSortedGrams("Foo bar", 2) =&gt; [Fo,oo,o , b,ba,ar]</p>
      *
      * @param  text
      * @return The grams, empty if the input was empty or if none for that gramLength fits.

src/main/java/com/optimaize/langdetect/text/package-info.java

@@ -16,7 +16,7 @@
 
 /**
  * Provides functionality for concatenating and cleaning text that is used as
- * a) learning text to produce {@link com.optimaize.langdetect.LanguageProfile}s
+ * a) learning text to produce {@link com.optimaize.langdetect.profiles.LanguageProfile}s
   * b) for the text for which the language is to be guessed.
  *
  * @author Fabian Kessler