Merge remote-tracking branch 'origin/mdb.RE/0.9' into OPENLDAP_REL_ENG_2_4

libraries/liblmdb/CHANGES

 LMDB 0.9 Change Log
 
-LMDB 0.9.15 Release Engineering
+LMDB 0.9.15 Release (2015/06/19)
 	Fix txn init (ITS#7961,#7987)
 	Fix MDB_PREV_DUP (ITS#7955,#7671)
 	Fix compact of empty env (ITS#7956)

libraries/liblmdb/lmdb.h

@@ -184,7 +184,7 @@ typedef int mdb_filehandle_t;
 /** Library minor version */
 #define MDB_VERSION_MINOR	9
 /** Library patch version */
-#define MDB_VERSION_PATCH	14
+#define MDB_VERSION_PATCH	15
 
 /** Combine args a,b,c into a single integer for easy version comparisons */
 #define MDB_VERINT(a,b,c)	(((a) << 24) | ((b) << 16) | (c))
@@ -194,7 +194,7 @@ typedef int mdb_filehandle_t;
 	MDB_VERINT(MDB_VERSION_MAJOR,MDB_VERSION_MINOR,MDB_VERSION_PATCH)
 
 /** The release date of this library version */
-#define MDB_VERSION_DATE	"September 20, 2014"
+#define MDB_VERSION_DATE	"June 19, 2015"
 
 /** A stringifier for the version info */
 #define MDB_VERSTR(a,b,c,d)	"LMDB " #a "." #b "." #c ": (" d ")"