Add new faction to PR

So far, I did the following:
created sp kit and soldier files for USSR
modified lashkar vally map init_sp.con (ger_sp replaced with ussr_sp)
modified faction_inits.con to include USSR kits(named ussr_sp with RU voice), used ru spawner

What is missing? Nothing showed up when loading into lashkar valley; Blufor is still German.