Use _x() instead of __() appropriately

This will give translators better context
Provide .pot file

This file should be used by translators to update their translations.

For example, using POEdit:
1. Fire up POEdit
2. Open your language's current .po file
3. Click **Catalog** > **Update from POT file**
4. Translate away and save.
Update .po file based on new .pot