upgpkg: core v0.2.5

upgpkg: core-testing v0.2.5
add: core and controller logging

controller/controller.ini

@@ -10,6 +10,7 @@ mqtt-host = localhost
 relay-count = 10
 database = /var/lib/emgauwa/controller/db.lmdb
 log-level = info
+log-file = /var/log/emgauwa/controller.log
 
 [relay-0]
 driver = gpio

controller/emgauwa-controller.tmpfiles

@@ -1,5 +1,7 @@
 d /var/lib/emgauwa 0750
 d /var/lib/emgauwa/controller 0750
 Z /var/lib/emgauwa - emgauwa emgauwa
+d /var/log/emgauwa 0750
+Z /var/log/emgauwa - emgauwa emgauwa
 z /etc/emgauwa 0755 root emgauwa
 z /etc/emgauwa/controller.ini 0660 root emgauwa