Commits
Merging in latest from upstream (HDFVIEW/hdfview:refs/heads/hdfview-3) * commit '6af991298fa45553b9a2e07bce80bc2fb5b139dd': Changes to build system packaging for Mac
Merging in latest from upstream (HDFVIEW/hdfview:refs/heads/hdfview-3) * commit '6af991298fa45553b9a2e07bce80bc2fb5b139dd': Changes to build system packaging for Mac