-Added User List page, which can be reached from the dropdown under the user's name.
-Removed "manage social accounts" entry from user dropdown.
-WIP: Working on a function to clean up a user's portfolio (remove any dead links).
FindAll() function in SettingsController now checks user portfolio for bad database entries and removes them before displaying portfolio.
Fixed delete db bug in portfolio

No shell of a portfolio is left in the view when a database has been
deleted in the backend.
Added comments for previous fix
Merge pull request #49 from YfLn/Richard

Users List page, portfolios automatically delete bad entries
Merge remote-tracking branch 'origin/master' into chris