common: stop importing std::{bind,ref,cref} into namespace ndn
And reduce the usage of std::bind() throughout the codebase.
C++14 lambdas are easier to understand for humans and more
likely to be optimized by the compiler.
Change-Id: Ia59fad34539710f8801c52914896ce426fb7e538
diff --git a/tests/unit/mgmt/dispatcher.t.cpp b/tests/unit/mgmt/dispatcher.t.cpp
index a6054c2..7827516 100644
--- a/tests/unit/mgmt/dispatcher.t.cpp
+++ b/tests/unit/mgmt/dispatcher.t.cpp
@@ -31,6 +31,7 @@
namespace tests {
using namespace ndn::tests;
+using std::bind;
class DispatcherFixture : public IoKeyChainFixture
{