added options to disable quoting and open links in new tabs

fixed a some regressions
removed some dead code
fixed messages about constants being re-defined

lib/version.rb

@@ -1,10 +1,13 @@
 module Discourse
-  module VERSION #:nodoc:
-    MAJOR = 0
-    MINOR = 8
-    TINY  = 3
-    PRE   = nil
+  # work around reloader 
+  unless defined? ::Discourse::VERSION 
+    module VERSION #:nodoc:
+      MAJOR = 0
+      MINOR = 8
+      TINY  = 3
+      PRE   = nil
 
-    STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
+      STRING = [MAJOR, MINOR, TINY, PRE].compact.join('.')
+    end
   end
-end
+end