Add CHANGELOG.rst to track release notes in repo
Add CHANGELOG.rst to track release notes in repo

RafaelPalomar/girder,data-exp-lab/girder,girder/girder,jbeezley/girder,manthey/girder,girder/girder,adsorensen/girder,jbeezley/girder,girder/girder,Xarthisius/girder,manthey/girder,adsorensen/girder,data-exp-lab/girder,Xarthisius/girder,adsorensen/girder,RafaelPalomar/girder,data-exp-lab/girder,kotfic/girder,data-exp-lab/girder,Kitware/girder,kotfic/girder,Xarthisius/girder,kotfic/girder,Kitware/girder,kotfic/girder,jbeezley/girder,kotfic/girder,jbeezley/girder,adsorensen/girder,Xarthisius/girder,RafaelPalomar/girder,adsorensen/girder,Xarthisius/girder,Kitware/girder,girder/girder,RafaelPalomar/girder,RafaelPalomar/girder,Kitware/girder,manthey/girder,data-exp-lab/girder,manthey/girder