* runtime/lket/b2a/lket_b2a.c, runtime/lket/b2a/lket_b2a.h:
Adding the support of automatically database creation and
dumping lket trace into mysql database
* configure.ac:
add the checking of mysql client library
* Makefile.in, configure:
regenerated
* runtime/lket/b2a/Makefile.am:
add the checking and optional compiling for mysql client library