Home Page finalization work:
- Fix theming of categories
- Library hours and locations - show list of libraries for user to select from
- Fix so modal title changes appropriately after cancelling login
- Fix so login button is hidden appropriately
- Add account menu to home page sidebar when logged in
- fix so browse content is inserted in the proper place within the sidebar on smaller screen resolutions
- allow searching browse categories
- fix login / logout, account links on the home page
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