Merge branch 'log4_update' into 'master'

Fixes #1197 Max file size of log is increased

See merge request !495

log4php.properties

@@ -18,7 +18,7 @@ log4php.appender.A3.File=logs/installation.log
 
 log4php.rootLogger=FATAL,A1
 log4php.appender.A1=LoggerAppenderRollingFile
-log4php.appender.A1.MaxFileSize=3MB
+log4php.appender.A1.MaxFileSize=10MB
 log4php.appender.A1.MaxBackupIndex=10
 log4php.appender.A1.layout=LoggerLayoutTTCC
 log4php.appender.A1.layout.ContextPrinting="true"