upgrade and/or setup need to create a .yml config

[do3meli]

as i dont have a .yml file yet i get quite some errors when logging data:

pi@domopi3 ~/piLogger/bin $ ./logAll --db
20151128_215046;logAll;/var/spool/piLogger is empty - no need to call corresponding functions
20151128_215046;logMetric;  - Logging data for device 28.D53843050000, 30.50 C
sed: can't read /home/pi/piLogger/etc/piLogger.yml: No such file or directory
20151128_215047;logMetric;    - Remote logging plugins
sed: can't read /home/pi/piLogger/etc/piLogger.yml: No such file or directory
20151128_215047;logMetric;    - piLogger-cloud -> sending data for 28.D53843050000
20151128_215047;piLogger-cloud;successfully sent measurement to piLogger cloud - 28.D53843050000, 24ecdcf083f87b47e951a72a3c93f7e4
sed: can't read /home/pi/piLogger/etc/piLogger.yml: No such file or directory
20151128_215047;logMetric;    - shiftr.io -> sending data for 28.D53843050000
20151128_215047;shiftr.io;  - Sending data to shiftr.io: domopi3:28.D53843050000:30.50
OK

``