Nuclear Dawn update

Update news:

Enhancements

• Commander building placement now remembers rotation used for last placed building when placing another.
• Customizations of radialmenu.txt will no longer be overwritten on updates.
• Added mapping support for nd_info_sonic_turret_ct.

Fixes

• Fixed sniper no-rezoom-after-shot option only working on local servers.
• Fixed firstperson in-hand weapon model not displaying to Source TV viewers.
• Fixed choppiness when using noclip or spectator free cam mode.
• Fixed commander building placement sometimes unintentionally rotating buildings on click.

Server changes

• Updated srcds_run linux server script autoupdate to work with new steamcmd tool.