bump version to 2.5

Author: bureddy

configure.ac

@@ -8,7 +8,7 @@ AC_PREREQ([2.63])
 AC_COPYRIGHT([Copyright (c) 2019, NVIDIA CORPORATION & AFFILIATES. All rights reserved.])
 
 define([nccl_rdma_sharp_plugins_ver_major], 2)
-define([nccl_rdma_sharp_plugins_ver_minor], 4)
+define([nccl_rdma_sharp_plugins_ver_minor], 5)
 
 AC_INIT([nccl-rdma-sharp-plugins], [nccl_rdma_sharp_plugins_ver_major.nccl_rdma_sharp_plugins_ver_minor], [support@mellanox.com], [],[http://github.com/Mellanox/nccl-rdma-sharp-plugins])