Installed database modules
Commented out / removed penngems-specific code, updated dependencies for Express 4.0, including new routing syntax.
Copied over error page files, temporary head and foot layout styles.
Integrated db connection with Bookshelf.
Added db-migrate module, generated empty migration for users.
Added users migration.
Added migrations for guides and sections.
Wrote initial (untested) User model.
Wrote initial Guide mode.
Added down migration for sections table.
Tweaked migrations to use under_scores instead of camelCase.
Section model.
Merge pull request #1 from maxluzuriaga/master

Changed