Merge branch 'master' into 'assignment-3.2'

App.js

api/github_api.js

assets/blank_profile.png

assets/icons/bell.svg

assets/profile_picture.jpg

react_components/helper_components/ContentBlock.js

react_components/helper_components/ProfilePicture.js

react_components/page_components/FollowUser.js

react_components/page_components/Followers.js

react_components/page_components/Following.js

react_components/page_components/Notifications.js

react_components/page_components/Profile.js

react_components/page_components/Repositories.js

react_components/page_components/StarRepo.js

react_components/page_components/UnfollowUser.js

react_components/page_components/UnstarRepo.js