convert to Unix line endings
don't display headers when player panel is invisible
StyleCop
More style fixes.

Also fixes bogus recursive storage of OnGameStart
when a player is disconnected from the server.
Split lobby map preview into its own logic class.
Move C&C chrome definitions to more closely match the other mods.
Remove map download support.
Kick clients who don't have the map when the host force-starts.
Add a force start warning dialog.
Add data support to Download.
blah.