Add docs generation and remove 2 code smells

CMakeLists.txt

@@ -111,3 +111,17 @@ install(FILES
     "${CMAKE_CURRENT_BINARY_DIR}/bayesnetConfigVersion.cmake"
     DESTINATION share/bayesnet
 )
+# Documentation
+# -------------
+find_package(Doxygen)
+if (Doxygen_FOUND)
+  set(DOC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/docs)
+  set(doxyfile_in ${DOC_DIR}/Doxyfile.in)
+  set(doxyfile ${DOC_DIR}/Doxyfile)
+  configure_file(${doxyfile_in} ${doxyfile} @ONLY)
+  doxygen_add_docs(doxygen
+      WORKING_DIRECTORY ${DOC_DIR}
+    CONFIG_FILE ${doxyfile})
+else (Doxygen_FOUND) 
+  MESSAGE("* Doxygen not found")
+endif (Doxygen_FOUND)

bayesnet/utils/CountingSemaphore.h

@@ -4,9 +4,6 @@
 #include <condition_variable>
 #include <algorithm>
 #include <thread>
-#include <mutex>
-#include <condition_variable>
-#include <thread>
 
 class CountingSemaphore {
 public: