Merge pull request #432 from Morganov/ci/travis-cleanup

Удалена поддержка Travis CI

Author: Morganov

.travis.yml

@@ -30,7 +30,7 @@ namespace :book do
   locale_file = "attributes-#{lang}.adoc"
   date_string = Time.now.strftime('%d.%m.%Y')
 
-  version_string = ENV['TRAVIS_TAG'] || `git describe --tags`.chomp
+  version_string = `git describe --tags`.chomp
   if version_string.empty?
     version_string = '0'
   end