Fixed probelm with count(*) and normal functions when no matchin rows.

Changed 'lib' to 'master-data'
Fix for slow slaves


Docs/manual.texi:
  Changelog
include/mysql.h:
  Fixes for Cygwin
libmysql/libmysql.c:
  Fixes for Cygwin
mysql-test/Makefile.am:
  Include missing test files
mysql-test/include/master-slave.inc:
  Fixes for slow slaves
mysql-test/install_test_db.sh:
  Change 'lib' to 'master-data'
mysql-test/mysql-test-run.sh:
  Change 'lib' to 'master-data'
mysql-test/r/group_by.result:
  Test case for count(*) problem
mysql-test/t/group_by.test:
  Test case for count(*) problem
mysql-test/t/rpl000018-master.sh:
  Change 'lib' to 'master-data'
sql/sql_select.cc:
  Fix for count(*) problem

include/mysql.h

@@ -20,6 +20,14 @@
 #ifndef _mysql_h
 #define _mysql_h
 
+#ifdef __CYGWIN__     /* CYGWIN implements a UNIX API */
+#undef WIN
+#undef _WIN
+#undef _WIN32
+#undef _WIN64
+#undef __WIN__
+#endif
+
 #ifndef MYSQL_SERVER
 #ifdef	__cplusplus
 extern "C" {