Merge branch 'polish'

app/views/books/_translations.html.erb

@@ -38,6 +38,7 @@ Translations started for
   <a href="/book/hi">हिन्दी</a>,
   <a href="/book/hu">Magyar</a>,
   <a href="/book/no-nb">Norwegian Bokmål</a>,
+  <a href="/book/pl">Polski</a>,
   <a href="/book/ro">Română</a>,
   <a href="/book/sr">Српски</a>,
   <a href="/book/th">ภาษาไทย</a>,

lib/tasks/book2.rake

@@ -195,6 +195,7 @@ task :remote_genbook2 => :environment do
     "ja" => "progit/progit2-ja",
     "ko" => "progit/progit2-ko",
     "nl" => "progit/progit2-nl",
+    "pl" => "progit2-pl/progit2-pl",
     "pt-br" => "progit2-pt-br/progit2",
     "ru" => "progit/progit2-ru",
     "sl" => "progit/progit2-sl",