Force encoding, remove undefined chars.
Force encoding, remove undefined chars.

drmohundro/rails_admin_import,glebtv/rails_admin_import,MaksimBurnin/rails_admin_import,contratadome/rails_admin_import,stephskardal/rails_admin_import,drmohundro/rails_admin_import,monkbroc/rails_admin_import,monkbroc/rails_admin_import,stephskardal/rails_admin_import,contratadome/rails_admin_import,stephskardal/rails_admin_import,monkbroc/rails_admin_import,MaksimBurnin/rails_admin_import,adamwong246/rails_admin_import,ngottlieb/rails_admin_import,contratadome/rails_admin_import,MaksimBurnin/rails_admin_import