we should not be mixing this in to our serializers

1. it gives the class broken methods (like cache in production)
2. it conflicts with am serializers
update am serializers to latest
ensure locales are not overwritten
updated PreloadStore API

so that it is more clear that we are deleting preloaded data once read
Update the translations according to the latest en.yml
Start detecting install problems and report them on the admin dashboard. This commit adds check for Rails.env
Add I18n support for "The topic has been deleted" message
Cache dashboard data in the controller, not the report model
Dashboard warning when host_names is localhost
Dashboard warning when GC params are default
Merge pull request #506 from tangramor/master

Update the zh_CN and zh_TW translations to the latest en.yml
Improve message when you change your password
Merge pull request #504 from ZogStriP/ensure-locales-are-not-overwritten-take-2

ensure locales are not overwritten
Make spec pending for now -- jenkins does not like it
keep French l10n up to date
Merge pull request #505 from ZogStriP/updated-preloadstore-api

updated PreloadStore API
Merge pull request #507 from ZogStriP/keep-french-l10n-up-to-date-3

keep French l10n up to date
slightly reduce read time req for trust level 1
fix the issue regarding the unban button
Update the Vagrantfile to conform to the latest spec (v1.1).