refactored index to prompt users to login when trying to submit a link
added show login modal function
partial for modal where user isn't logged in
Merge pull request #57 from macqueen/master

modal for logged out users working
handling user sign in for links on the server side
switched send() and hide() so that modal closes
cleaned up routes
Merge pull request #58 from macqueen/master

server side handling of non-logged in users submitting links + a few other fixes
another attempt to fix the modal closing
Merge pull request #59 from macqueen/master

another attempt to fix the modal closing
change login logout display option.  add avatar when logged in.
Merge branch 'master' of https://github.com/ReadUpCode/readup
related tags working
Merge pull request #60 from DougKong/master

change login/logout display option. add avatar when logged in.
Merge pull request #61 from macqueen/master

related tags working
Merge branch 'master' of https://github.com/ReadUpCode/readup into categories

Conflicts:
	public/js/controllers/formController.js