fixed memory leaks, added cleanup code, added valgrind scripts to test binaries

vg_aqhomed.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+export AQHOME_LOGLEVEL=info 
+export LD_LIBRARY_PATH="0-build/aqhome/:$LD_LIBRARY_PATH"
+
+valgrind \
+  --tool=memcheck --trace-children=yes -v --log-file=aqhomed.vg --leak-check=full --show-reachable=yes \
+  --track-origins=yes --num-callers=50 --keep-stacktraces=alloc-and-free \
+  0-build/apps/aqhomed/aqhomed \
+  -l aqhome.log \
+  -db aqhome.db \
+  -ma 192.168.117.192 -mp 1883 --mqttclientid=AQHOMELOGTEST \
+  -t 127.0.0.1 \
+  --pidfile=./aqhomed.pid \
+  -T 300
+