Series import: extract imperforated flag from abbreviation

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

БЗ means imperforated.

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And yet another pattern:

m.w.f.s.i.SeriesInfoExtractorServiceImpl : Determine perforation from 'Гвинея 6м+1бл б.з.'
m.w.f.s.i.SeriesInfoExtractorServiceImpl : Could not extract perforation info from a fragment

[php-coder]

m.w.f.s.i.SeriesInfoExtractorServiceImpl : Determine perforation from 'Динозавры Животные Фауна 2012 Бурунди MNH полная серия 5 м без зуб'
m.w.f.s.i.SeriesInfoExtractorServiceImpl : Could not extract perforation info from a fragment

[php-coder]

m.w.f.s.i.SeriesInfoExtractorServiceImpl : Determine perforation from 'Вьетнам. 1979 г. Фауна. Динозавры. Без перфорации'
m.w.f.s.i.SeriesInfoExtractorServiceImpl : Could not extract perforation info from a fragment