!Added MOSTLY UNTESTED plugin loading

Fixed a match bug in TestAliasMatch()
Removed pointless implementation of context switching in CPlugin
Redesigned how CPlugins are allocated, deallocated, and instantiated.
Added a basedir function so all code can reference relative paths.  This may be redesigned.
Various other changes

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40214

core/interfaces/IPluginSys.h

@@ -33,8 +33,8 @@ namespace SourceMod
 		Plugin_Running=0,		/* Plugin is running */
 		Plugin_Loaded,			/* Plugin is loaded but not initialized */
 		Plugin_Paused,			/* Plugin is paused */
-		Plugin_Stopped,			/* Plugin is paused for map changes, too */
 		Plugin_Error,			/* Plugin has a blocking error */
+		Plugin_Uncompiled,		/* Plugin is not yet compiled by the JIT */
 		Plugin_BadLoad,			/* Plugin failed to load */
 	};