Added request at29487

1) New hookable Engine func: GetInfoKeyBuffer
2) New GameDLL func that can be called via engfunc: GetInfoKeyBuffer
3) New native: copy_infokey_buffer that copies data out of the specified info key buffer
4) EngFunc_InfoKeyValue, EngFunc_SetKeyValue, and EngFunc_SetClientKeyValue have been reworked
    so that they expect pointers to an info key buffer in order to work properly o_O
5) Added some error messages to get_tr

dlls/fakemeta/fakemeta.vcproj

@@ -133,6 +133,9 @@
 			<File
 				RelativePath=".\fm_tr2.cpp">
 			</File>
+			<File
+				RelativePath=".\misc.cpp">
+			</File>
 			<File
 				RelativePath=".\pdata.cpp">
 			</File>