Add initial support for INI file merging (#349)

internal/mqini/mqat.ini

@@ -0,0 +1,20 @@
+#*******************************************************************#
+#* Module Name: mqat.ini                                           *#
+#* Type       : IBM MQ queue manager configuration file            *#
+#  Function   : Define the configuration of application activity   *#
+#*              trace for a single queue manager.                  *#
+#*******************************************************************#
+
+# Global settings stanza, default values
+AllActivityTrace:
+  ActivityInterval=1
+  ActivityCount=100
+  TraceLevel=MEDIUM
+  TraceMessageData=0
+  StopOnGetTraceMsg=ON
+  SubscriptionDelivery=BATCHED
+
+# Prevent the sample activity trace program from generating data
+ApplicationTrace:
+  ApplName=amqsact*
+  Trace=OFF