Merge pull request #13 from CSUChicoSoftwareEngineering/d_branch

Added tests to main branch
Merge pull request #15 from CSUChicoSoftwareEngineering/d_branch

Changed user index page to user edit page (more descriptive).
added view user, search bar, library, and front page testing. Changed signing_in.feature/.rb to login.feature/.rb. Commented out the extra features i.e. long username, white spaces, etc.