Added "tetrix in Scala" (EN, JA)
Added "Программирование на Эрланге"
Added "Developing Web Applications with Haskell and Yesod" (RU)
Alphabetized Haskell section
Added "Exploring Generic Haskell"
Added "Reactive Objects and Functional Programming"
Merge pull request #628 from alexanderfefelov/master

Added "tetrix in Scala" (EN, JA)