feat(OAuth): Added directive to login/logout of reddit
feat(OAuth): Show the reddit username on the logout button
fix(OAuth): Refetch username on page load, fixes the login button breaking on reload
feat(OAuth): Redirect on success, show error on failure
doc(README): Add basic readme with installation/build instructions
Merge pull request #73 from Eluinhost/features/readme

Add basic readme
Merge branch 'master' into features/auth2
doc(README): Add Oauth related info