exit when configuration file couldn't be opened
exit when configuration file couldn't be opened

* when the configuration file couldn't be opened it failed silently and
used empty configuration. Now it prints an error and quits with
errorcode 1.
* LOGE not used because of circular reference

google/santa,mcastilho/santa,tburgin/santa,tburgin/santa,google/santa,mcastilho/santa,russellhancox/santa,mcastilho/santa,tburgin/santa,google/santa,russellhancox/santa,russellhancox/santa