minor string fixes

- added STR_ZOMBIE to English.lng, EnglishUk.lng, Russian.lng, German.lng
- fixed a few alien names in Russian.lng based on ufopedia.org usage
fix sign comparison warning
github doesn't think tabs are 4 spaces :(
don't stealth-change TU reserve from Auto to Snap

Fixes this problem: With time units reserved to autoshot, if a soldier with a
non-auto weapon ran up against the snap shot TU reserve limit, _tuReserved
would be permanently set to BA_SNAPSHOT. As a result, all subsequent soldiers
with auto weapons would actually erroneously reserve TU for snap shots.
Merge pull request #258 from hmaon/clean

added STR_ZOMBIE to several .lng files, fixed several Russian strings, fixed my code formatting, a compiler warning, and a TU reserve bug
Merge branch 'master' of https://github.com/SupSuper/OpenXcom
Revert "replace afxres.h with windows.h for compilation with MSVC Express"

Re: Warboy's advice, quoting:

this isn't strictly necessary, try creating an afxres.h in the folder:

C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\include\

containing the following code:

endquote

This reverts commit 12e5de5b32c81fafcde1bbee4f5dbeb5e07ead72.
fix Sectopod weapon fire and hit sounds

They're supposed to be lasers as opposed to silence on fire and a zombie bite
on hit, I think...