Added Innobase to source distribution

Docs/manual.texi:
  Added Innobase documentation
configure.in:
  Incremented version
include/my_base.h:
  Added option for Innobase
myisam/mi_check.c:
  cleanup
mysql-test/t/bdb.test:
  cleanup
mysql-test/t/innobase.test:
  Extended with new tests from bdb.test
mysql-test/t/merge.test:
  Added test of SHOW create
mysys/my_init.c:
  Fix for UNIXWARE 7
scripts/mysql_install_db.sh:
  Always write how to start mysqld
scripts/safe_mysqld.sh:
  Fixed type
sql/ha_innobase.cc:
  Update to new version
sql/ha_innobase.h:
  Update to new version
sql/handler.h:
  Added 'update_table_comment()' and 'append_create_info()'
sql/sql_delete.cc:
  Fixes for Innobase
sql/sql_select.cc:
  Fixes for Innobase
sql/sql_show.cc:
  Append create information (for MERGE tables)
sql/sql_update.cc:
  Fixes for Innobase

innobase/include/que0types.h

@@ -0,0 +1,42 @@
+/******************************************************
+Query graph global types
+
+(c) 1996 Innobase Oy
+
+Created 5/27/1996 Heikki Tuuri
+*******************************************************/
+
+#ifndef que0types_h
+#define que0types_h
+
+#include "data0data.h"
+#include "dict0types.h"
+
+/* Pseudotype for all graph nodes */
+typedef void	que_node_t;
+					
+typedef struct que_fork_struct	que_fork_t;
+
+/* Query graph root is a fork node */
+typedef	que_fork_t	que_t;
+
+typedef struct que_thr_struct		que_thr_t;
+typedef struct que_common_struct	que_common_t;
+
+/* Common struct at the beginning of each query graph node; the name of this
+substruct must be 'common' */
+
+struct que_common_struct{
+	ulint		type;	/* query node type */
+	que_node_t*	parent;	/* back pointer to parent node, or NULL */
+	que_node_t*	brother;/* pointer to a possible brother node */
+	dfield_t	val;	/* evaluated value for an expression */
+	ulint		val_buf_size;
+				/* buffer size for the evaluated value data,
+				if the buffer has been allocated dynamically:
+				if this field is != 0, and the node is a
+				symbol node or a function node, then we
+				have to free the data field in val explicitly */
+};
+
+#endif