cs, da, de, el, es, fi, fr, hr, it, lt, lv, nb, nl, pl,
pt_BR, pt_PT, sl, sr, sv, tr : rescale frequencies to match
spec. This has no large effect in the practice except the
dictionary will become stronger vs spatial model (especially in
lower count corpora, like lt, lv, sr)
en* : Small changes (rounding going the other way essentially)
ru : the above rescaling, and remove the following words:
Дре, ОСТа, Планше, легкими, легком, легкому, легкости,
легкую, нелегкие, нелегкий, нелегким, нелегкое, нелегкой,
нелегкую, полулегком and add нелёгкие, нелёгкое, нелёгкую;
other accented forms were already in the dictionary.

Change-Id: I40386c2ebd4d2be38874e822bde89db7cb512ae6