added settings table with user id and theme references
fixed settings table migration and added foreign key of user id
settings page now has a theme selector form, but is yet to have the ability to update the setting in the database
settings database model added and site now used custom theme for logged in users
added form submission route for theme switching
themes list not preselects your current theme
added controller to process settings actions
Merge pull request #1 from datkinson/feature/settings-themes

Feature/settings themes