key-value: a new version of the key value guard service. At the moment only putValue is implemented.
key-value: added most of the functionality needed to wait and read keys and values. Need only to change the way values are written into config files (using sections). Will finish the work in the next patch
updated the topology file of the key-value functional test
key-value: fixed waiting for key update functionality.
cosmetic changes + code formatting using the latest version of clang-format.
Release notes update.
Add simple SSH task scheduler.