nfd-control: Adding class of ControlResponse

Change-Id: I596bb3f5470e3d3c6671e74bef991e9b047637c9
refs: #1162
nfd-control: Implementation of FibManagementOptions data structure

Change-Id: Ife5e0d3503be13896e2c9a7d02ac8f1801672603
refs: #1162
tests: Do not use ``using namespace ndn'' and defining all tests in ndn namespace

Change-Id: I3299e6255e4067b142ad0c8f87bebe1892505d0d