Document `--ignore` option.
Ignore `local` directory by default. It's carton's.
Checking in changes prior to tagging of version 0.06.

Changelog diff is:

diff --git a/Changes b/Changes
index 4b9d958..d977ae0 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,13 @@ Revision history for Perl extension App-scan_prereqs_cpanfile

 {{$NEXT}}

+0.06 2013-04-26T10:50:13Z
+
+    - Document --ignore option.
+      (tokuhirom)
+    - Ignore `local` directory by default.
+      (tokuhirom)
+
 0.05 2013-04-16T12:30:30Z

     - add 'ignore' option (append ignore dirs)