change welcome screen, add twittera and facebook sign in
adding sign in functionality
Merge branch 'master' into gravatar
Merge branch 'user_login' of https://github.com/purple-martins-2013/storyward
Merge branch 'master' into gravatar
resolve merge conflict
modify welcome background
make unique background for welcome screen
specify starred_stories association on user in addition to user.stories
add sign up links
Merge branch 'master' into welcome-screen
Merge branch 'master' into welcome-screen
Merge pull request #22 from purple-martins-2013/starred_stories

specify starred_stories association on user in addition to user.stories
Merge branch 'master' of https://github.com/purple-martins-2013/storyward
remove automatic hiding of force graph
populate profile page with user content, create helper method for users favorite authors
change timing and display characteristics of text from content
migrate css to external sheets
refactor out css from views
nice beveled edge on images