Translation Template: Add .pot file for better translation workflow

This completes the workflow for creating and editing translations.

Closes #154
Swedish: Add translation

This adds the Swedish translation to the game.

Closes #152
Turkish: Add Translation

This adds the Turkish translations to the game.

Closes #145
Add Turkish to README

This adds a link to Turkish translation on README and fixes an issue
with lang.js where a merge conflict was squashed into a rebase.