Update packaging files
Checking in changes prior to tagging of version 0.49.

Changelog diff is:

diff --git a/ChangeLog b/ChangeLog
index cfa49d1..7cca2bc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+0.49	Thu Mar 13 13:05:17 EDT 2014
+	Restore context-sensitive (array/arrayref) behavior of multiple
+	array methods from 0.46.
+	Fix MANIFEST/.gitignore inconsistency
+
 0.48    Mon Mar 10 11:26:17 EDT 2014
 	Switch from --always-trust to --trust-model=always