Few bugs in 1.7 version

[Maciej_S85]

Hello.
I have discover few bugs

Soviet Army:
- sound of explosion heavy mortar is like "flat" or "splash".

Royal Marine Commandos:
- Cromwell Command Tank dont gain XP and cant fire smoke cover.

[Rikard Blixt]

Closed a couple of 1.7.0.0 Threads. Please open new threads for issues relating to 1.7.0.1.