Version bump to v2.6.0.beta1

Version bump to v2.6.0.beta1

diff --git a/lib/version.rb b/lib/version.rb
index 6391eb0..ab83043 100644
--- a/lib/version.rb
+++ b/lib/version.rb
@@ -7,9 +7,9 @@ module Discourse
   unless defined? ::Discourse::VERSION
     module VERSION #:nodoc:
       MAJOR = 2
-      MINOR = 5
+      MINOR = 6
       TINY  = 0
-      PRE   = 'beta7'
+      PRE   = 'beta1'
 
       STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
     end

GitHub sha: b9174c8e