Bumped version number to 1.6.3

Your Name · Your Name · commit 76934c9c1045 · 2018-05-23T09:20:11.000Z
diff --git a/debian.upstream/changelog b/debian.upstream/changelog
@@ -1,3 +1,9 @@
+adagios (1.6.3-2) unstable; urgency=low
+
+  * New upstream version
+
+ -- Your Name <you@example.com>  Wed, 23 May 2018 09:20:07 +0000
+
 adagios (1.6.1-1) unstable; urgency=low
 
   * New upstream version
