2012-11-1  Wei Mi  <wmi@google.com>

	* configure.ac: Change target-libasan to target-libsanitizer.
	* configure.in: Regenerate.
	* Makefile.def: Change libasan module to libsanitizer.  
	* Makefile.in: Regenerate.
	* libsanitizer: Change libasan to libsanitizer and add
	an empty tsan directory under libsanitizer. 

2012-10-29  Wei Mi  <wmi@google.com>

	* configure.ac: Add libasan to target_libraries
	* Makefile.def: Ditto
	* configure: Regenerate
	* Makefile.in: Regenerate
	* libasan: New directory for asan runtime