* Added recursively locate indices under a directory
 + Added simple test for IndexNamespace::get_indices
 * Split index path into (root, name) and fill into IndexInfo
Merge branch 'master' into vsfs_info

Conflicts:
	vsfs/testing/client_metadata_test.cpp
Merge pull request #58 from vsfs/vsfs_info

Add VsfsRpcClient::info to query the information about indices.