* resolve object to file path
 * Fixed a bug of generating ObjectID
 * Fixed bugs in RangeIndex
 + Added MasterController::find_objects()
 + Added the full logic of VsfsRpcClient::search()
 + Added integration test for search
 * Added find_objects to mock method
 * Set return value of find_objects in test
 * avoid face to CH's bug #14 for now
Merge branch 'master' into trans_obj_to_path

Conflicts:
	vsfs/client/vsfs_rpc_client.cpp
	vsfs/masterd/namespace.cpp
 * Fixed conflicts from other pulls
 * change the calculated hash dist
Merge pull request #53 from vsfs/trans_obj_to_path

VsfsRpcClient::search()