Quit with an error if cluster_settings or remote_cluster_settings are invalid
Extra cpp-common update
Tabs -> spaces
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Merge remote-tracking branch 'msw/dev' into memcached_error_on_no_server

Conflicts:
	sprout/main.cpp
Merge pull request #810 from rkday/memcached_error_on_no_server

Quit with an error if cluster_settings or remote_cluster_settings are in...