BUGFIX: Don't blow up on junk referers
BUGFIX: no need for mock central here
OOPS
small logos should always be proportionate
Merge pull request #2019 from awesomerobot/master

small logos should always be proportionate
fixing width of poster section of topic-list
Merge pull request #2020 from awesomerobot/master

fixing width of user section of topic-list
FEATURE: white_listed_spam_host_domains for domains that are not blocked for spam
BUGFIX: bypass host spam detection for current host
Various cleanups to Ubuntu installation instructions:

* Avoid editing /etc/apt/sources.list add nginx repo, instead create
  /etc/apt/sources.list.d/nginx.list

* Avoid editing /etc/nginx/nginx.conf, instead put server_name_hash_buckets
  setting into discourse.conf

* Proper-case Discourse when it is referring to the product name, so that all
  the lowercase references are to the user created during the installation
Address @Supermathie's concerns in PR1430
Add explicit confirm button text on post abandon
Use symbols instead of strings in order clause

This simply changes the strings in the order clauses in the model. The
reason of the change is because the SQL generated when using symbols
automatically name spaces the column with the table name.

Topic.order(:title).to_sql
=> SELECT "topics".* FROM "topics" ORDER BY "topics"."title" ASC

This also changes the scopes using lamba to use stabby lambas for
consistency with other scopes.
Merge pull request #2023 from infogulch/abandon-confirm-buttons

Post abandon dialog: add explicit confirm button text
Merge pull request #2022 from nickborromeo/topic-order

Use symbols instead of strings in order clause
Merge pull request #2013 from wpp/update_german_translation

Fixes a few typos in the German translation
Remove useless sudos
BUGFIX: fix math & unit when checking disk space
FIX: New counts were taking into account muted categories
FEATURE: add a banner when read-only mode is enabled
BUGFIX: this fixes a chrome bug... I would laugh if I wasn't already
crying.