Checking in changes prior to tagging of version 0.06.

Changelog diff is:

diff --git a/Changes b/Changes
index e705032..c1baca8 100644
--- a/Changes
+++ b/Changes
@@ -1,5 +1,8 @@
 Revision history for Perl extension Alien::RRDtool

+0.06 2014-06-30 13:09:13
+    - add /usr/lib64/pkgconfig to default PKG_CONFIG_PATH (kazeburo)
+
 0.05 2013-03-31 23:26:59
     - Do not override PKG_CONFIG_PATH for one to set it (thanks to kazeburo)