disable Info and Debug logs by default (#5065)

* disable the info and debug logs by default

* adjust tests to the newly disabled logs

* add LogStateSetter

* namespace reorg

* add some tests

* remove vestigial code

* switch to using std::vector

Code/RDBoost/Wrap/RDBase.cpp

@@ -319,7 +319,7 @@ BOOST_PYTHON_MODULE(rdBase) {
   python_streambuf_wrapper::wrap();
   python_ostream_wrapper::wrap();
 
-  python::class_<RDLog::BlockLogs, boost::noncopyable>(
+  python::class_<RDLog::LogStateSetter, boost::noncopyable>(
       "BlockLogs",
       "Temporarily block logs from outputting while this instance is in "
       "scope.");