Merge pull request #1235 from mscoutermarsh/master

Removing 'Looks Great' category on nitpick page. Fixes #1229
Add http:// prefix to redirect_uri param for GitHub authentication, closes #1237
Don't call methods with nil

having nil as binary switch is as bad as having a boolean, and you're not able to use good programming practices like default arguments.
Merge pull request #1241 from markijbema/patch-3

Don't call methods with nil
Merge pull request #1238 from daguar/add-http-prefix-to-github-auth-redirect-uri

Add http:// prefix to redirect_uri param for GitHub auth, closes #1237
Merge pull request #1239 from mscoutermarsh/master

Fix N+1 queries on Nitpick page.
Add more Clojure assignments.

Covers Accumulate, Binary Search Tree, Difference of Squares, Hexadecimal, and Largest Series Product.
Tweak test output for accumulate in Go
Use Fatalf in Go allergy test suite
Fix test output in Go anagram
Update the Installing Elixir instructions on OS X.

Simplify the instructions for installing erlang and elixir with homebrew.

Fixes #1243.
Update nit count on nit delete - fixes #1240
Added foreman to the Gemfile.
Merge pull request #1246 from ebautistabar/add_foreman_to_gemfile

Added foreman to the Gemfile.
Merge pull request #1242 from geofflane/clojure_add-missing-assignments

Add more Clojure assignments
Merge pull request #1244 from brettchalupa/update-erlang-os-x-installation-instructions

Update the Installing Elixir instructions on OS X.
Merge pull request #1245 from ebautistabar/update_nit_count_on_delete

Update nit count on nit delete - fixes #1240