Add fixed column width for info column in the corpus list panel, so the button
is not cut off on the left side.
Do not use BeanContainer for doc visualizer table, since ColumnGenerators are in
my use case not sortable.
remove paging component
Sorting with invisible columns.
Sorting works also with invisible columns.
Check if namespace are equals when fetching annotation value for sorting in doc
visualizer table.
Check if the table was already load.
Update documentation of doc visualizer.
Refactoring.
Center the loading gif.
Return "n/a", if a meta datum is not defined.
Enable custom sorting for the doc visualizer sorting.

Merge branch 'sort_doc_browser' into develop