I have a hard time deploying the dashlet a.k.a I can't find it among other available dashlets, so I tired firing up your whole alfresco project and I can't even find the dashlet there, so my question is: How do I use your addon?
If you could provide the steps you followed, it will be helpful to figure out what is happening.
Ideally, you need to build the project and you should get amps/jars for alfresco and share. Apply the amps or deploy the jar files in $TOMCAT_HOME/webapps/alfresco/WEB-INF/lib and $TOMCAT_HOME/webapps/share/WEB-INF/lib
and lastly restart the server.
You may notice the module application log during restart.