Main Site update news

Web site has been updated for the last days.

The list of changes is:
- Five new renders have been added to renders page.
- New strategy description - Red Guard rush (visit Nuke general page).
- Fixed Contra Launcher is available for download (visit downloads page). New Launcher work with The First Decade.
- Two replays have been added to replays page.
- Some problem solvations have been added to troubleshooting page.
- New music pack is available for download (visit downloads page).
- Some typos and small errors have been corrected.