Fixed #8

 o Added .hgignore file to DEFAULTEXCLUDES

Author: khmarbaise

src/main/java/org/codehaus/plexus/util/AbstractScanner.java

@@ -40,7 +40,7 @@ public abstract class AbstractScanner
      * <li>SurroundSCM: &#42;&#42;/.MySCMServerInfo</li>
      * <li>Mac: &#42;&#42;/.DS_Store</li>
      * <li>Serena Dimension: &#42;&#42;/.metadata, &#42;&#42;/.metadata/&#42;&#42;</li>
-     * <li>Mercurial: &#42;&#42;/.hg, &#42;&#42;/.hg/&#42;&#42;</li>
+     * <li>Mercurial: &#42;&#42;/.hg, &#42;&#42;/.hg/&#42;&#42;, &#42;&#42;/.hgignore</li>
      * <li>GIT: &#42;&#42;/.git, &#42;&#42;/.gitignore, &#42;&#42;/.gitattributes, &#42;&#42;/.git/&#42;&#42;</li>
      * <li>Bitkeeper: &#42;&#42;/BitKeeper, &#42;&#42;/BitKeeper/&#42;&#42;, &#42;&#42;/ChangeSet, &#42;&#42;/ChangeSet/&#42;&#42;</li>
      * <li>Darcs: &#42;&#42;/_darcs, &#42;&#42;/_darcs/&#42;&#42;, &#42;&#42;/.darcsrepo, &#42;&#42;/.darcsrepo/&#42;&#42;&#42;&#42;/-darcs-backup&#42;, &#42;&#42;/.darcs-temp-mail
@@ -86,7 +86,7 @@ public abstract class AbstractScanner
         "**/.metadata", "**/.metadata/**",
 
         // Mercurial
-        "**/.hg", "**/.hg/**",
+        "**/.hg", "**/.hgignore", "**/.hg/**",
 
         // git
         "**/.git", "**/.gitignore", "**/.gitattributes", "**/.git/**",