Let Prefix constructor be private and pfx member, also set default value for contructor args.
Remove killall -9 output when eskiss is not found
Remove unsued define
Use cInfo() instead of cout
Use Prefix when it's need
Use the right prefix for data directory and use Prefix for theme
Use Prefix for calaos_thumbnail
Fix usage of Prefix in modules
Prefix all log domain with "calaos_".
If you want to Display all calaos logs you can do :
export EINA_LOG_LEVELS_GLOB="calaos_*:4"

If you want only rules logs, do :
export EINA_LOG_LEVELS_GLOB="calaos_rules*:4"
Fix merge