build+nsync+tests+docs: Fix compilation for boost 1.59, doxygen docs, and other fixes

Requires ndn-cxx:commit:e3e2505aa03e0b298e1a8dfc9876f1f8dafcaaba (ndn-cxx-0.4.0-beta2-11-ge3e2505)
or earlier commit.

Change-Id: I6ad359aa368b3346464f2aa74a1ab319fcd3ab7a
diff --git a/wscript b/wscript
index 5d33053..c77a3e3 100644
--- a/wscript
+++ b/wscript
@@ -105,7 +105,7 @@
         name='nsync-objects',
         features='cxx',
         source=bld.path.ant_glob(['nsync/**/*.cc', 'nsync/**/*.proto']),
-        use='BOOST NDN_CXX OPENSSL',
+        use='BOOST NDN_CXX OPENSSL LOG4CXX',
         includes='nsync',
         export_includes='nsync',
         )