Russian translation updates by Pixelquark

Rainbow Arrows and Stellar bug fixes by Kuro

Added support for Main Page (by objectscountries and Kuro).

When Souvenir asks about another Souvenir on the bomb, use translated module names in the answers

Some translation-related fixes.

Fix module name Flavor Text → Flavor Text EX (thanks to benjamin172 for pointing it out)

Major update: Add Subway (by Hawker, tested by Kuro — many thanks).

* Remove Color Math. Its addition was ill-advised.
* Ordinal numbers 4th/5th/etc. are now in words up to tenth.

Fix Zero, Zero

Fix Fizzbuzz handler in the presence of colorblind mode (fix by Kuro)