advanced options - descriptions only
Elerium-115 - restore the original name
Merge pull request #438 from winterheart/master

Updated Russian file
Merge pull request #437 from radius75/Polish.lng_

Polish.lng  - Advanced Options - Descriptions
- Reviewed advanced strings based on feedback (sorry translators!).
- Reorganized Options screen and improved Display Filter option.
- Battlescape notifications can be skipped now.
- Fixed cursor being miscolored when loading Geoscape saves.
- Fixed defeat/victory screens not switching automatically.
- More UI fixes for translators.
More translations for Russian.