replace calls to dnNormalize2 with calls to dnNormalize

instead of re-using other contexts.

not normalizing.

All DN attrs are massaged, whether or not ENABLE_REWRITE is defined.
Use "dnAttr" rewriteContext for Add, Compare, & Modify.
Fixed ldap_back_compare.

for subschemaSubentry; still having problems with group ACLs ...

first cut at mapping/rewriting before search (after search it's already handled by ldap_build_entry)

consolidated into the Operation structure. All reply parameters
are consolidated into the new SlapReply structure. Most operations
now have identical call signatures... Changes are not #ifdef'd,
revert to -r NO_SLAP_OP_BLOCKS if necessary to back out.

Replaced with bi_entry_get_rw.
Implemented for back-bdb, back-ldbm, back-ldap.

fix this if ACLs are expected to work on the local slapd.

improved filter mapping/rewrite; improved result rewriting; improved attribute/objectclass mapping configuration

they will be interleaved in LDAP*. Avoid setting any options on the handle.

to access the same LDAP* handle.