align require statements per style guide

Was reading through source and figured I would line up require statements. Did initial pass through all files and commit as one PR.
cleanup comma separated var statements

This test seems to violate the style guide. Also fixed typo in ARCHITECTURE.md
Add `ember test --server`.
fixed per stefanpenner feedback
Merge pull request #474 from rjackson/live-test-server

Add `ember test --server`.
Remove `/tests` from express middleware in favor of `ember test --server`.
Merge pull request #476 from abuiles/remove-tests-from-express

Remove `/tests` from express middleware in favor of `ember test --server`
Merge pull request #472 from eccegordo/master

align require statements per style guide
Revert "Remove `/tests` from express middleware in favor of `ember test --server`."

This reverts commit 02fee9e96391ac70910b289af81fae3be0af8942.
Merge pull request #477 from rjackson/revert-test-removal

Revert "Remove `/tests` from express middleware in favor of `ember test --server`."