add caches initialisation to master startup
add ConCache to master start and shutdown procedure
add CacheCli for ConCache to MWorkers startup
use CacheCli().get_cached() instead of CkMinions().connected_ids()
replace fs_cache with con_cache for ConCache
add the CacheCli() for ConCache()
leave the test code in there for now
only use cache_cli if enabled, else fallback to connected_ids()
add message for large number of minions if ConCache not enabled
add ConCache and Timer classes
undo accidentally commited changes
undo changes
imports cleanup
should be con_cache not fscache
lint fixes
Merge pull request #15382 from felskrone/minions_connected_cache

Minions connected cache