* makefiles install configs in /usr/lib/netdata/conf.d; #4182
* stock health config in /usr/lib/netdata/conf.d/health.d
* unit test path concatenation
* simplified health file management
* use stream.conf from stock config if it does not exist in /etc/netdata
* indicate loading of user config in function call
* load netdata.conf from stock dir if not found in /etc/netdata
* added NETDATA_USER_CONFIG_DIR
* provide defaults before loading config
* charts.d uses stock files
* fping now uses the stock config files
* tc-qos-helper.sh now uses stock configs
* cgroup-name.sh now uses stock configs too
* simplified cgroup-name.sh for user and stock config
* alarm-notify.sh uses stock configs too
* simplified fping plugin configs loading
* simplified tc-qos-helper.sh configs loading
* added error handling to charts.d.plugin
* apps.plugin used stock configs
* generalized recursive double-directory configs loading
* statsd uses stock configs
* node.d.plugin uses stock configs
* compile-time decision of netdata default paths for all files
* makeself cleans up old stock config files from user configuration directories
* fixed makeself typo
* netdata-installer.sh removes stock files from user configuration directories
* python.d.plugin user/stock configs update
* cleanup stock config files from /etc/netdata, only once
* python.d.plugin log loaded files
* fix permissions of stock config files and provide an "orig" link for quick access
* create help link on stock configs migration for static installations
* create user config directories
* example statsd synthetic charts now state they are examples
* updated configs.signatures
* spec file
* fixes in spec file
* fix typo
* install netdata after cleaning up stock configs from /etc/netdata
* python.d: add cpuidle stock conf
