Added more missing svn:keywords properties to some files (this should be the last of them before I never have to do this again)

Moved sm_memtable files in sqlite extension to sdk directory (to be consistent with topmenus)
Some extension source files had an incorrect extension name in their headers

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%402037

plugins/basecommands/map.sp

@@ -28,7 +28,7 @@
  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
  * or <http://www.sourcemod.net/license.php>.
  *
- * Version: $Id: admin-flatfile.sp 1438 2007-09-16 03:45:06Z dvander $
+ * Version: $Id$
  */
  
 public MenuHandler_ChangeMap(Handle:menu, MenuAction:action, param1, param2)