Bootstrap: [ALLI-1685], [ALLI-1686], [ALLI-1693], [ALLI-1770]
"Slogan" under logo, structure of content for home page made similar to NDL theme,  Added "Search: " before the search term in results, structure of format listing in home page made similar to NDL theme. Also logo + search box position made equal to home page in all subpages, retain filters checkbox modified on top of the logo for better placement also in mobile views. Plus some font adjustments.
Merge branch 'master' of https://github.com/KDK-Alli/NDL-VuFind