Version 0.9.2 - bugfixes and invite code tweaks

Bugfix release for 0.9:

* pin to the newest psych gem
* remove better_errors gem
* fix login error message with non en locales

Features:

* destroy invites used to create test accounts
* sort invite codes by last update

Gemfile.lock

 PATH
   remote: engines/billing
   specs:
-    leap_web_billing (0.9.1)
+    leap_web_billing (0.9.2)
       braintree
 
 PATH
   remote: engines/support
   specs:
-    leap_web_help (0.9.1)
+    leap_web_help (0.9.2)
 
 PATH
   remote: vendor/gems/certificate_authority

lib/leap_web/version.rb

 module LeapWeb
-  VERSION = "0.9.1" unless defined?(LeapWeb::VERSION)
+  VERSION = "0.9.2" unless defined?(LeapWeb::VERSION)
 end