Add track to charmed install

In master, there is a track function that is its own bash script.  In
v10.0 this needs to be added to the installer source code directly

Change-Id: I81b001439b157671a27be0faf723dde5f755dc1d
Signed-off-by: beierlm <mark.beierl@canonical.com>
diff --git a/installers/charmed_install.sh b/installers/charmed_install.sh
index 4d84de4..b7ea2a2 100755
--- a/installers/charmed_install.sh
+++ b/installers/charmed_install.sh
@@ -36,6 +36,21 @@
     }
 fi
 
+function track(){
+    ctime=`date +%s`
+    duration=$((ctime - SESSION_ID))
+    url="http://www.woopra.com/track/ce?project=osm.etsi.org&cookie=${SESSION_ID}"
+    event_name="bin"
+    event_name="${event_name}_$1"
+    url="${url}&event=${event_name}&ce_duration=${duration}"
+    wget -q -O /dev/null $url
+}
+
+function FATAL_TRACK(){
+    track
+    exit 1
+}
+
 MODEL_NAME=osm