Update website to display 1.5 as the release version

The roundup website is still displaying the current stable version as
1.4.x though 1.5.x has been out for a while now.

Author: jerrykan

website/www/conf.py

@@ -46,9 +46,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = '1.4'
+version = '1.5'
 # The full version, including alpha/beta/rc tags.
-release = '1.4'
+release = '1.5'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

website/www/index.txt

@@ -8,7 +8,7 @@ Roundup Issue Tracker
 Roundup is a simple-to-use and -install issue-tracking system with command-line, web and e-mail interfaces. 
 It is based on the winning design from Ka-Ping Yee in the Software Carpentry "Track" design competition.
 
-The current stable version of Roundup is 1.4.x which has quite a comprehensive 
+The current stable version of Roundup is 1.5.x which has quite a comprehensive
 :doc:`feature set <docs/features>`. For more information see the :doc:`design overview <docs/design>`,
 and all the other :doc:`documentation <docs>`. Roundup has been deployed for: