tabs markup
refactor less
ebook/paper bingings
ignore undefined properties
stubs json
inline form of books filter
use tooltip selector; async applying
fix magic variable
Merge pull request #32 from Veerers/books-search-tabs

Books search tabs
use splash for empty results
Merge pull request #33 from Veerers/empty-results-splash

use splash for empty results
use yandex metric
close #16
Merge pull request #34 from Veerers/footer

Footer
fix timestamp fetching