Visualization controller refacroting; integrated mocks in backend
Added the controllers/templateMapping.js script
Minor correction
Example for option views
Integrated configuration/customization and line chart example
implemented customization views
templateMapping() was refactored
Grid Layout implemented
templateMapping improvements
Adjusted the contentObserver to provide correct changed values
Reduced version for LinDA workbench
Update uris
Added charts
Merge branch 'linda_visualization' of https://github.com/LinDA-tools/visualisation into linda_visualization
line chart tuning
tuning options for all charts except bubble
Added thumbnails
Added leaflet to visualization library
Revert "Added leaflet to visualization library"

This reverts commit 143d8a3b5d1aa1ef9ddb6bd314f51c269d2a1e8f.
Fixed Leaflet bug; improved layout
Implemented export and publish operations.
Adapted SPARQL data module and scatter plot.