D-Net

Delete wrong commited files

Bug fix on JSONException on getAggregations method

Make aggregationDetails serializable

Make Aggregation/AggregationDetails class serializable

1. Add Aggregation , AggregationDetails class
2. Implement getAggregationHistory method.

Various styling and design changes in the events pages

add a logger

1. Modify web.xml file
2. Add check cookie methods on user service. Delete code for login/register/activate profile
3. Disable #login/#register uri's

1.Add exception on get topics method.

1. Add Term class on shared folder
2. Add property on application file for dnet topics
3. Implement method to get dnet topics map