Build log: Add directories corresponding to examples

cmake/BornAgain/BuildLog.cmake

@@ -125,6 +125,12 @@ file(APPEND "${log}"
     "\n[tests]\n"
     "  perform tests (BA_TESTS) = ${BA_TESTS}\n"
 
+    "\n[examples]\n"
+    " auto wrap dir (AUTO_WRAP_DIR) = ${AUTO_WRAP_DIR}\n"
+    " test examples dir (EXAMPLES_TEST_DIR) = ${EXAMPLES_TEST_DIR}\n"
+    " public examples dir (EXAMPLES_PUBL_DIR) = ${EXAMPLES_PUBL_DIR}\n"
+    " examples figures dir (EXAMPLES_FIGURES_DIR) = ${EXAMPLES_FIGURES_DIR}\n"
+
     "\n[directories]\n"
     "  [build]\n"
     "    RPATH (CMAKE_BUILD_RPATH) = ${CMAKE_BUILD_RPATH}\n"