Extend featureset of shared table

[stephan271]

Issue Name

ExtendFeatureSharedTable

Summary

The following features are still missing, they may result in separate sub issues for implementation

• add column selection mechanism
• add checkbox like row selection
• add spinners to show ongoing queries
• add width as configuration parameter
• make global search field optional
• find clever way of merging facet queries and column filters in some way, e.g. use all fields without column filters as facets ?
• in table definition add field matchMode="facet"
• before export check how many rows and give warning, also show progress bar during export