Show only file name instead of whole path in relation input field.
#207 File Input Dropdown shows only files, which are not in the database.
#207 Algorithm Dropdown shows only algorithms, which are not in the database.
Each page is scrollable now.
#206 Results are shown immediately.
Merge branch 'master' into frontend-fixes
#206 Fetching results after successful execution of the algorithm.
Implement method to convert table input to data source setting.
Merge branch 'master' into frontend-fixes
Fix bug: Enable delete button of database connection.
some comments
Merge pull request #227 from HPI-Information-Systems/frontend-fixes

Frontend fixes