Updated file structure.

Was:
	/usr/share/luaserver/*

By default:
	/usr/lib/luaserver/
	/usr/lib/luaserver/inc/
	/usr/lib/luaserver/libs/
	/etc/luaserver/
	/etc/luaserver/keys/
	/etc/luaserver/lua/
	/etc/luaserver/static/
	/etc/luaserver/sites/
	/etc/luaserver/sessions/