Setup for doing homework.
Setup stories, and step definitions for merge articles.
Refactored step for logging into the app; defined step for creating users.
Added db/db_test to git ignored artifacts.
Added step and definition for writing articles.
Assumed that blog has been set up.
Removed artifact from git.
Fixed code for creating test data; added route for editing article.
Created view components for editing article.
Defined scenario, and step for merging articles.
Set user attribute when editing an article.
Added filter so that non admin does not see merge article.
Specified merge article to redirect to edit article page after.
Defined merge to preserve title and join body.
Added spec to preserve author, and join comments.
Made merge to be non-mutating operation.
Initial working implementation of merge.
Added header because it's required.
Updated implementation to use admin infrastructure for editing.
Revert "Made merge to be non-mutating operation."

This reverts commit 5634186e34c5f13c81cdf462976b0ce28a1d5f40.