Fixing sign_in page layout
Fixing sign_up page layout
Fixing a spacing issue in books listing
Fixing sign_in and sign_out links
Fixing flash notice position
Fixing book history page
Merge pull request #24 from nandajavarma/pr_branch

linking add new book
Add tabs to edit pages of Author/Publisher/Library
Adding library logo placeholder designed by @sebinthomas
Fixing new book form layout
Changing the books listing in Author/Publisher/Library show pages
Chaning books heading in a few pages
Fixing the more link
Fixing search path
Updating the layout of search page
Adding individual search pages
Fixing listings in individual author, publisher and library pages