(svn r15027) -Merge: tomatos and bananas left to be, here is NoAI for all to see.

NoAI is an API (a framework) to build your own AIs in. See:
   http://wiki.openttd.org/wiki/index.php/AI:Main_Page
 With many thanks to:
  - glx and Rubidium for their syncing, feedback and hard work
  - Yexo for his feedback, patches, and AIs which tested the system very deep
  - Morloth for his feedback and patches
  - TJIP for hosting a challenge which kept NoAI on track
  - All AI authors for testing our AI API, and all other people who helped in one way or another
-Remove: all old AIs and their cheats/hacks

src/tar_type.h

@@ -11,12 +11,13 @@
 /** The define of a TarList. */
 struct TarListEntry {
 	const char *filename;
+	const char *dirname;
 
 	/* MSVC goes copying around this struct after initialisation, so it tries
 	 * to free filename, which isn't set at that moment... but because it
 	 * initializes the variable with garbage, it's going to segfault. */
-	TarListEntry() : filename(NULL) {}
-	~TarListEntry() { free((void*)this->filename); }
+	TarListEntry() : filename(NULL), dirname(NULL) {}
+	~TarListEntry() { free((void*)this->filename); free((void*)this->dirname); }
 };
 
 struct TarFileListEntry {