Fixing toggle on help click
Adds a link to the home page, and abstract outs signed in user options into shared
putting back in the space
Merge pull request #32 from quinnbaetz/111_login_homepage

111 login homepage
Merge pull request #31 from quinnbaetz/112_help_button

Fixing toggle on help click
raising a 404 on record not found
Removed unnecessary rescue from conversations controller