Make wait_* methods to behave gracefully in CLI
Refs: #4345, #4341
Adjust pithos tests to error code corrections
Update and correct kamaki.clients documentation
Fix sphinx warnings
Take care of the documentation (except developers)
Change VMs to servers in docs, fix docs scripts
Implement --type argument for server reboot
Refs: #4338
Fix wrong parameter passing to create_server
Refs: #4339
Fix --more bug in _optional_json commands
Update Changelog for config unittests
Refs: #4058
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