[MSHARED-1077] Bugfix for classifier in pattern (#26)

Parsing of pattern with classifier was busted, that
prevented use cases like before [rewrite](4a6f6d6), that was again
busted due early return (not happening since rewrite, but since rewrite
we do no support classifiers in patterns).

So, here is yet another rewrite, that not only fixes old use cases (w/ classifier)
but also makes it even more faster. Last, but not least, new code is 
now in high level Java, instead of `char[][]` and is self documenting.

src/main/java/org/apache/maven/shared/artifact/filter/PatternExcludesArtifactFilter.java

@@ -53,7 +53,7 @@ public PatternExcludesArtifactFilter( Collection<String> patterns, boolean actTr
         super( patterns, actTransitively );
     }
 
-    /** {@inheritDoc} */
+    @Override
     public boolean include( Artifact artifact )
     {
         boolean shouldInclude = !patternMatches( artifact );
@@ -66,21 +66,13 @@ public boolean include( Artifact artifact )
         return shouldInclude;
     }
 
-    /**
-     * {@inheritDoc}
-     *
-     * @return a {@link java.lang.String} object.
-     */
+    @Override
     protected String getFilterDescription()
     {
         return "artifact exclusion filter";
     }
 
-    /**
-     * {@inheritDoc}
-     *
-     * @return a {@link java.lang.String} object.
-     */
+    @Override
     public String toString()
     {
         return "Excludes filter:" + getPatternsAsString();