Merge pull request #81 from kodujdlapolski/master

Some pl string modifications
add name_by
add name_by
add minsk data first draft
add by-strings to mobile
data update
Br language initial support
Minsk menu icon css
new city (Minsk) was added to backend.py
m4a.by.js was added to project
Merge remote-tracking branch 'origin/master'
Fix colors
Fix colors
Fix colors
Disable station sorting
English language by default
Newsletter link commented
English language of data by default
Merge branch 'master' of github.com:nextgis/metro4all
new/updated scheme(s) 1