Rework existing comment markup.

- Implement a bit more of Jade’s design.
- Fix translation lookup
- Remove disabled comment notice (doesn’t apply)
Update precompiled assets for recent changes.
Simple feature spec for campaigns
Explicitly re-allocate test gems in a test group
Create the campaigns page object
Create the campaign routes and controller
Spec for the campaigns controller index action
Refactor the campaign feature spec

Create a couple of campaign factories to test actual loading of
campaigns
Migrations for campaigns
Migrations for campaign links
Schema updates for campaign and campaign link tables
Initial campaign model with a spec
Change active column default value
Rename type column to link type in campaign links
Initial campaign link model and spec
Factories for campaign and campaign link
Reword scenario to make more sense
Create the campaign index views
Complete the campaign index action
Scenario for creating new campaigns with page object