SP-259 : Added a core-plugin that implements the crud-demo

...ples/crud-demo/1/as/webapps/crud-demo/html/body-style.css

...examples/crud-demo/1/as/webapps/crud-demo/html/button.css

...urce/examples/crud-demo/1/as/webapps/crud-demo/html/d3.js

...amples/crud-demo/1/as/webapps/crud-demo/html/d3.layout.js

...examples/crud-demo/1/as/webapps/crud-demo/html/d3.time.js

...-demo/1/as/webapps/crud-demo/html/images/openBIS_Logo.png

...-demo/1/as/webapps/crud-demo/html/images/openBIS_Logo.svg

...examples/crud-demo/1/as/webapps/crud-demo/html/index.html

...es/crud-demo/1/as/webapps/crud-demo/html/openbis-login.js

...examples/crud-demo/1/as/webapps/crud-demo/html/openbis.js

...amples/crud-demo/1/as/webapps/crud-demo/html/utilities.js

.../examples/crud-demo/1/as/webapps/crud-demo/html/webapp.js

...amples/crud-demo/1/as/webapps/crud-demo/plugin.properties

...ce/examples/crud-demo/1/dss/data-sources/crud-db/crud.jar

...-sources/crud-db/cruddb/sql/postgresql/001/schema-001.sql

...es/crud-demo/1/dss/data-sources/crud-db/plugin.properties

...orting-plugins/crud-aggregation-service/plugin.properties

.../dss/reporting-plugins/crud-aggregation-service/script.py

...eporting-plugins/crud-ingestion-service/plugin.properties

.../1/dss/reporting-plugins/crud-ingestion-service/script.py