* libraries c86db5a...3c46db1 (1):

  > Bump libraries - https://github.com/iea-annex60/modelica-annex60.git branch master updated to 8015a01591bb24d219f57e7b69cdfcde66e39b47.   * [ibpsa/modelica-ibpsa@8015a01 8015a01] Merge pull request #270 from iea-annex60/issue268_traceSubstanceSensor   * [ibpsa/modelica-ibpsa@1f8e180 1f8e180] Merge pull request #274 from thorade/issue273_Airflow_HTML   * [ibpsa/modelica-ibpsa@127cfd5 127cfd5] Annex60, not Buildings   * [ibpsa/modelica-ibpsa@9e3c361 9e3c361] close all paragraphs   * [ibpsa/modelica-ibpsa@1cb16d2 1cb16d2] add missing image   * [ibpsa/modelica-ibpsa@807b87f 807b87f] closing </li>   * [ibpsa/modelica-ibpsa@b20742d b20742d] Reformulated assignment of s and assert for #268