+ Added locate indices
Merge branch 'local_vsfs_cluster' into locate_indices
 * Fixed the exception handling in VsfsRpcClient
 * Change the logic of MasterController::create_index()
 * Added an integration test for VsfsRpcClient::locate_indices()
Merge branch 'master' into locate_indices
 * Fix master_controller::stop()
 * Close thread manager after stopping the server
Merge pull request #52 from vsfs/locate_indices

VsfsRpcClient locates indices for search request.