Checking in changes prior to tagging of version 0.19.

Changelog diff is:

diff --git a/Changes b/Changes
index b15bf51..9be322f 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,10 @@ Revision history for Perl extension App-revealup

 {{$NEXT}}

+0.19 2014-12-21T22:39:45Z
+
+   - fixed test about that .bmp file return the "image/x-ms-bmp" content-type.
+
 0.18 2014-12-21T22:28:49Z

     - fixed POD