D-Net

1. Change converter method ( null lat/lon -> 0 )
2. Change repository api. Organize code, add new api methods.

• Organize code for storing/updating repository/interface.

1. Change storeRepository method
2. Update converter of repository interface with extra fields.

1. Test aggregation method.
2. Bug fix on convertion from json to interface object.

1. Update pom.xml with swagger dep.
2. Change pagination numbers.
3. Add swagger config file.
4. Change piwik queries with new database collumns.

• Default country name/code (Greece / GR ) due to api problem

1. Create new update methods for repository api
2. Rename piwik file.
3. Create bean repomanager.datasource
4. Update converter methods ( typology, datasourceClass )

Deleted PiwikInfo class and using the one from uoa-domain

1. Broker api ready.
2. Piwi api ready.
3. Create repomanager.datasource bean.

• Methods added on broker api