Add $(SOLIBS) macro for shared lib dependencies
fix typos
ITS#7090 fix out-of-order slapadd
ITS#7090 test unordered slapadd
ITS#7099 fix mdb_entry_return for tool mode

Originally, overlays were not supposed to take effect in tool mode.
Apparently that's no longer the case...
ITS#7099 fix dds db_open

Should not do anything in tool mode.
ITS#7098 fix del/add of first schema element
ITS#7101 test001: Skip back-ldif unordered slapadd
ITS#6979 clean up previous test062 fix
ITS#7050 fix uninit'd return code in back-meta
ITS#7107 fix Operation init on reuse

Additional fix for a66fb1630cc1134ed4e2a3d5a6a4983e6c4bae86
Dummy commit

Subject: ITS#7111
ITS#7115 blocked writers should not interfere with pool pause
ITS#7117 fix typo
Happy New Year!
ITS#7121 fix page splits when data+key size is too large
ITS#7115 Re-fix tpool.c (idle/unidle)
ITS#7125 Fix Connection.c_mutex usage.

Partial revert of 9e00b6cc6ce2857490b33218bdaf1339319c5f60:connection.c.
Clarification/warning about delta-sync backup/restore
ITS#7127 fix syncrepl_config reference to freed memory