ITS#7952 .gitignore mdb_dump/load
ITS#7953 .gitignore *.lo
Merge remote-tracking branch 'upstream/mdb.master' into fixes

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>

Conflicts:
	libraries/liblmdb/.gitignore
[LMDB] Check fstat return value

Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>