Matching rules and syntaxes, initial step.
schema_init, seeding of standard syntaxes and matching rules.

index files clean.

official -> canonical

Both do not return anything useful.

Hence connection_get must recheck struct state after obtaining
c_mutex to detect close.

	Connection could be closed before acquiring connections_mutex.
	if c->c_struct_state == SLAP_C_UNUSED, return NULL.

acquire c_mutex.

Removed unnecessary definition that is already in core.schema.

Fixed some syntax errors.

detect connection table full properly.

race condition on file descriptor sets.

Toy with dllimport/dllexport stuff (think I'll leave the real dll work to
somebody else).
Added ldap_strdup() wrapper of ber_strdup().

Make _MOD_SOFTADD 0x1000 to minimize chance of conflict with legit changes
to API spec.
Fix memory leak in ldap_mods_free() and minor memory allocator issues.

use in index_add_value(), but should modify value_normalize
to use a struct berval * instead of a char* pointer...