remove trailing white-spaces from lib/redmine/wiki_formatting.rb.
remove trailing white-spaces from test/helper_testcase.rb.
remove trailing white-spaces from test/test_helper.rb.
remove trailing white-spaces from test/integration/api_test/issues_test.rb.
remove trailing white-spaces from lib/redmine/ciphering.rb.
remove trailing white-spaces from lib/redmine/configuration.rb.
remove trailing white-spaces from app/helpers/welcome_helper.rb.
remove trailing white-spaces from app/helpers/wiki_helper.rb.
remove trailing white-spaces from app/helpers/workflows_helper.rb.
remove trailing white-spaces from lib/redmine/i18n.rb.