Merge pull request #1138 in CASA/casa from CAS-12684 to master
* commit 'cf4b3b0599acc80918a02b5ee6db0de208581019': CAS-12684: remove async parameters, including documentation and example scripts
Merge pull request #1132 in CASA/casa from hf-drs37 to master
* commit '1e114eed23162d737b58306504e566b7c5cb28bf':
add registration of ping service
add ping service to casaviewer