Update .gitignore.
Upgrade solution files to Visual Studio 2010 format.
Remove variable redeclaration and redundant code.
Update GtkSharp references. Change target framework to 4.0 as required by GtkSharp.
Fix possible NullReferenceException.
Correct spelling of "shield".
Remove Packages.mdproj from solution.
Change default player names.
Fix IRremoteInt.h to work with newer Arduino IDE. Remove hard coded CPU frequency.
Fix ignored and reversed unlimited ammo and mega flags.
Fix player collision check to not include unconfirmed players.
Improve debug logging.
Code cleanup.
Correct spelling of "debrief".