Series import: extract quantity from blocks

[php-coder]

m.w.f.s.i.SeriesInfoExtractorServiceImpl : Determine quantity from 'БЕНИН 2015 ** Фауна Динозавры 6 БЛ БЗ MNH'
m.w.f.s.i.SeriesInfoExtractorServiceImpl : Could not extract quantity from a fragment

Here we can extract quantity = 6